要点揭秘 Unit 19
一 重点单词
1. protection n. !) The act of protecting.保护的动作 2) The condition of being protected.
受到保护的状态 3) One that protects. 保护者能起保护作用的东西或人
peace protection保安
apply for police protection要求警察保护
various protections against fire各种防火装置
provide adequate protection from wind and weather提供充分的保护免受大风和气候之害
The protection of the country is the duty of everyone.保卫国家是每个人的责任。
2. irrigation n. 灌溉, 水利; 【医】冲洗(法); [pl. ]冲洗剂
an irrigation channel [canal]灌溉渠
bring the farmland under irrigation使农田水利化
3. pump n. A machine or device for raising, compressing, or transferring fluids. 抽水机一种用来提升、压缩或输送液体的机械或装置
vt, vi. 1) 用抽水机抽（液体）；用抽水机抽吸…的液体（或气体）
The villagers had pumped the well dry, and could get no more water.
村民们已把井水抽干了,再也抽不出水来了。
2) 抽空；抽干；注满；打满
He pumped up his tires. 他给车胎打足了气。
4. seed n. 种子; 根源，原由
seeds of trouble 灾难的根源