These insects can wreak havoc on crops.
这些昆虫可严重危害农作物。
The bird caught the insects in mid-air.
鸟在半空中捕捉了昆虫。
Many insects are banded black and yellow.
很多昆虫有黑色和黄色的条纹。
Flycatchers feed primarily on winged insects.
鹟主要捕食有翼昆虫。
The insects were examined under magnification.
这些昆虫是放大后加以观察的。
Insects are fairly low down (on) the food chain.
在食物链中，昆虫是相当低的一级生物。
Many people have a natural and emotional aversion to insects.
很多人对昆虫有一种天生的厌恶之感。
I continued studying moths, and branched out to other insects.
我继续研究飞蛾,同时也开始研究其它昆虫。
A cold spring will provide a natural check on the number of insects.
寒冷的春季会自然控制昆虫的数量。
Many of the indigenous insects are needed to pollinate the local plants.
需要很多种土生昆虫给当地植物授粉。
Being in the tropics meant that insects formed a large part of our life.
身处热带地区意味着昆虫成了我们生活的一大部分。
Both are moderately large insects, with a wingspan of around four centimetres.
这两只都是中等大小的昆虫，翼幅大约为四厘米。
The more pesticides are used, the more resistant the insects become so the more pesticides have to be used. It's a vicious circle.
杀虫剂使用得越多，那些昆虫的抵抗力越强，因此就要使用更多的杀虫剂。这是一个恶性循环。
昆虫是我们的好朋友。
Some insects can change colour.
有些昆虫可以变色。
你听得到所有昆虫的声音吗?
昆虫在水面滑行。
它捉昆虫作为食物。
让我们找些虫子吧。
The insects cannot see the webs.
昆虫看不见网。
蚂蚁和苍蝇都是昆虫。
Insects will soon smell watermelon.
昆虫很快会嗅到西瓜味。
Some insects slumber in the winter.
一些昆虫在冬季蛰伏。
她是不是在数昆虫？
他写有关昆虫的。
Some insects have very good eyesight.
有的昆虫视力极佳。
昆虫吃植物。
我经常捉昆虫。
昆虫确实需要水分。
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