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1.put up 建造；举起
The hunting dog put up some partridges.
猎狗惊起了几只鹧鸪。
2.flying insects 飞虫
Spider weaves net everyday. Its net can stick small flying insects.
蜘蛛每天织网。它的网能粘住小飞虫。
3.tear down 拆除
We have to tear down this sick system -- so the sick can live.
我们必须破除这个不良制度，这样病人才能存活。
4.cover up 掩盖
Lies cannot cover up the facts.
谎言掩盖不了事实。
5.Hundreds of migrating swifts make use of two of the 6.1-meter-tall towers, the Kyles said.
make use of 利用
Parents must make use of their natural ability to empathize.
父母必须发挥其天性，设身处地从子女的角度感受。
We should train them to make use of reference books.
我们应训练他们学会使用参考书。
6.So, they do not really know where the little birds spend the winter, let alone what may be happening to them there.
let alone 更别提
He did not have enough money to have the tire patched up, let alone buy a new one.
他的钱还不够补这个轮胎，更别提买个新的了。
We fear no death, let alone difficulties.
我们死都不怕，何况困难？
