内容正文:
Unit13单词用法
1. litter(v.)乱扔 E.g. Don't litter anything on the ground.
(n.) 垃圾,废弃物(不可数) We should throw the litter into the bins.
2. bottom(n.)底部,最下面
at the bottom of the river在河……的底部
3.fisherman(n.)渔民,钓鱼的人 fishermen
4.coal(n.)煤,煤块(不可数) burn the coal 烧煤
5.ugly(adj.)丑陋的,难看的 an ugly man ugly--beautiful
6.advantage(可数n.)优点,有利条件 the advantage of ......的优势
E.g. There are other advantages of bike riding.
拓展:反义词:disadvantage(可数n.)缺点,不利条件
7.cost(v.)花费cost—cost—cost
E.g. It doesn’t cost anything. / It costs nothing.它不花费任何东西
E.g. What’s the price of sth? / How much is/are sth? 某物的价格是多少 ?
cost(n.)花费,价钱 the cost of...的花费
花费 主语 短语
spend 人 花费时间/金钱做某事spend time/money in doing sth
花费时间/金钱在某事上spend time /money on sth
花时间陪某人spend time with sb
pay 人 支付pay for 为某物支付pay sth for sth
take it 花费某人多少时间做某事it takes/took sb some time to do sth
cost 物 某物花费某人多少钱sth cost/costs sb some money
8.wooden(adj.)木制的,木头的 wooden chopsticks木制的筷子
拓展:wood木头
E.g. What’s the table made of? It’s made of wood.
9.plastic(adj.)塑料的 plastic bags 塑料袋
plastic (不可数n.) 塑料
E.g. What's the bag made of? It’s made of plastic.
E.g. We should use reusable bags instead of plastic bags.
10.takeaway(不可数n.)外卖食物 takeaway food 外卖食物
E.g. I never take wooden chopsticks or plastic forks when I buy takeaway food.
11.bin (可数n.)垃圾箱
E.g. we should throw the litter/waste/rubbish into the bins.
12.shark(可数n.) 鲨鱼 拯救鲨鱼save the sharks
13. fin (不可数n.)鱼鳍
a bowl of shark fin soup一碗鲨鱼鱼翅汤 cut off sharks’ fin 切除鲨鱼的鳍
14.cruel(adj.)残酷的,残忍的
E.g. It's cruel to kill the wild animals.
15.harmful(adj.)有害的,对…有害的 be harmful to...对…有害
harm(不可数n.)危害 do harm to...对…有害
E.g. It is not only cruel, but also harmful to the environment.
16. at the top of 在…顶部或顶端 at the bottom of 在…的底部
拓展:the top students 尖子生
17.chain (n.)链子,链条 the food chain 食物链
18.ecosystem(n.)生态系统 in the ocean’s ecosystem 在海洋的生态系统中鲨
E.g. Sharks are at the top of the food chain in the ocean’s ecosystem
19.industry (n.)行