Section B
1. They give us joy. 它们给我们快乐。
give us joy = give us happiness/ pleasure (joy= happiness= pleasure 表快乐,都是名词 )
2. We share the world with them.
share sth. with sb. 与某人分享某物,如:I want to share my happiness with you.
3. Insects feed on plants.
①feed on 以… 为食;Tigers feed on meat.
②live on 以食… 为生:We live on rive
③feed 喂: My job is to feed animals.
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