在英语的学习中，语法是比较重要的，那么关于高二英语单词和知识点怎么学习呢？这里是爱岗的小编为家人们收集整理的2篇高二英语必修三第二单元单词及知识点，希望能够帮助到大家。
Diet n. 日常饮食
vi. 节食
△ spaghetti n. 意大利式细面条
nut n. 坚果；果仁
△ muscle n. 肌肉；(食用)瘦肉
△ protective adj. 给予保护的；保护的
bean n. 豆；豆科植物
pea n. 豌豆
cucumber n. 黄瓜
eggplant n. 茄子
pepper n. 辣椒；辣椒粉
mushroom n. 蘑菇
peach n. 桃子
loemn 柠檬
balance vt. 平衡；权衡
n. 天平；平衡
balanced diet 平衡膳食
barbecue vt. & n. 烧烤；烤肉
mutton n. 羊肉
△kebab n. (印度)烤腌羊肉串；肉串上的肉块
roast adj. 烤制的
vt. & vi. 烤；烘；烘烤
△ stir vt. 摇动；搅和
fry vt. & vi. 油煎；油炸
stir-fry vt. 用旺火炒(或煎、煸)
ought v. aux. 应当；应该
ought to 应当；应该
bacon n. 熏咸肉；腊肉
△ cola n. 可乐饮料
△ sugary adj. 含糖的；甜的
△ sign n. 牌示；标记；符号
lose weight 体重减轻；减肥
slim vi. 变细；减肥
adj. 苗条的；纤细的
curiosity n. 好奇心
hostess n. 女主人；女主持人
raw adj. 生的；未加工的
vinegar n. 醋
get away with 被放过；(做坏事)不受惩罚
lie n. 谎话；谎言
vi. 说谎
tell a lie 说谎
customer n. 顾客；消费者
discount n. 折扣
win … back 赢回；重新获得
weakness n. 缺点；虚弱；弱点
strength n. 强项；长处；力量
consult vt. 咨询；请教；商量
fibre n. 纤维；纤维制品
digest vi. & vt. 消化
n. 摘要；概要
△poisonous adj. 有毒的
carrot n. 胡萝卜
△scurvy n. 坏血病
△rickets n. 佝偻病
△obesity n. 过度肥胖
△vitamin n. 维生素
△protein n. 蛋白质
earn one’s living 谋生
debt n. 债；债务
in debt 欠债
glare vi. 怒目而视；闪耀
n. 怒视；眩目的光
spy vi. & vt. 窥探；秘密监视
n. 间谍；侦探
spy on 暗中监视；侦查
limit vt. 限制；限定
n. 界限；限度
limited adj. 有限的
benefit n. 利益；好处
vt. & vi. 有益于；有助于；受益
breast n. 胸部；乳房
garlic n. 大蒜
sigh vi. 叹息；叹气
n. 叹息；叹息声
combine vt. & vi. (使)联合；
(使)结合
cut down 削减；删节
before long 不久以后
put on weight 增加体重
△cooperation n. 合作；协作
△ingredient n. (烹调用的)材料；原料；成分
△flavour n. (食物的)味道与气味；特性
1.
be
go
on a diet 控制饮食，节食
He is on a diet to loose weight. 他正在节食以减肥。
2. put sb. on a diet 使某人节食
The doctor put me on a very strict diet. 医生严格限制我的饮食。
3. out of curiosity 出于好奇
satisfy one’s curiosity 满足某人的好奇心
Just to satisfy my curiosity/ out of curiosity, how much did you pay for your car? 我只是出于好奇，请问你买这辆车花了多少钱？
4. be curious about sth. 对……感到好奇
They were very curious about the people living upstairs. 他们对住在楼上的人感到很好奇。
5. at a discount 打折扣
They were selling everything at a discount. 他们销售的所有商品都打折。
give
allow
make
a discount (on) 打折扣
a discount (on) 打折扣
give
allow
make
6.
Do you give any discount if I buy a whole case of wine? 如果我买一整箱酒你们打折吗？
7. lose weight 减肥，减轻体重
Put on/ gain weight 体重增加The best way to lose weight is to exercise more. 减肥的方法是多运动。
8. get away with (做坏事)不受惩罚；
偷携某物潜逃，偷走
He was lucky to get away with only a fine. 他算万幸，只被罚款了事。
Thieves got away with computer equipment worth ,000. 盗贼偷走了价值3万美元的项链。
9. win… back 赢回；重新获得
How can I win back her trust? 我怎样才能重新赢得她的信任？
The party is struggling to win back voters. 这个政党正尽力把选民争取回来。
10. have sb. doing sth. 允许、容忍某人做某事
(常用于否定句中)He cannot have his daughter arriving home late. 他不能容忍女儿晚回家。
11. consult (with) sb. (about/ on sth.) (就某事)与某人商量I consulted with a friend on a matter. 我和朋友商量一件事。
spy
on sb.
on/ into sth.
暗中监视；侦查
12.
I’m sure my neighbours spy on me. 我肯定邻居暗中监视我。
It’s wrong to spy into people’s affairs. 刺探他人的私事是错误的。
beyond
over
the limit 超过限度
13. It is beyond the limit of my ability. 这超出了我的能力。
14. limit sth. to sth. 把……限定在……的范围内
I’ve limited myself to 1,000 calories a day to lose weight. 为了减肥，我限定自己每天摄入1000卡的热量。
15. be of (much, great) benefit to sb. 对某人有益处
= be beneficial to sb. It is said Yoga is of great benefit to human health. 据说瑜伽对人体健康有很大好处。
16. A benefit B 甲对乙有好处
= B benefit froom A
This is an expensive investment but it will benefit the company in the long run. 这是一项花费很大的投资，但从长远来看，它将对公司有好处。
These small businesses have benefited greatly from the fall in interest rates. 这些小企业因利率下降而得到了很大的好处。
combine A
B
with
and
“把A与B结合起来”
17.
The new teaching method combines education with pleasure. 这种新的教学方法寓教育与娱乐之中。
make
earn
a/ one’s living (by…)
18.
(靠……)谋生He did all sorts of jobs to earn/ make his living. 为了谋生，他干了好多不同的工作。
19. in debt 欠债
out of debt 不欠债
She was in debt when she was poor, but has been out of debt since she got rich. 以前穷的时候她欠了债，可自从富了以后就没欠债了。
Out of debt, out of danger. 【谚】无债一身轻。
20. cut down
1) 减少；缩减
2) 删节；缩短
3) 砍到
Expenses ought to be cut down in every way. 应该在一切方面减少开支。
You’d better cut the article down to about 2,000 words. 你把这篇文章压到两千字左右。
Cut down a tree with an axe. 用斧子把树砍倒。
21. cut away 切除，剪去
They cut away all the dead branches from the tree. 他们把树上的枯枝统统砍掉了。
22. cut in (on sb./ sth.)
1) (车辆或司机)超车抢道
2)打断，插嘴
The lorry overtook me and then cut in (on me). 那辆卡车超越我的车后，突然插入我前方的位置。
She kept cutting in on our conversation. 我们谈话时她老是插嘴。
23. cut up 切碎cut up vegetables 把蔬菜切碎
24. cut off 剪断，切除；中断，切断
She cut off a metre of cloth from the roll. 他从那卷布上剪下一米。
Our water supply has been cut off. 我们断水了。
The village was cut off (from the outside world) by heavy snow for a month. 村庄被大雪封住(而不能与外界联系)达一个月。
25. cut across 走捷径，走近路
I usually cut across the park on my way home. 我在回家途中通常抄近路穿过公园。
26. gain/ put on weight 增加体重He is putting on weight. 他的体重增加了。