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为何海洋中的昆虫种类如此稀少?。
Why there are so few insect species in the sea?
youdao
你知道墨西哥人吃的昆虫种类大约有多少种吗？
Do you know how many kinds of insects do Mexicans eat?
传粉昆虫种类繁多，其传粉特性和效果各不相同。
There are many varieties of pollination insects and their pollination characteristics and effects are different.
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