他们还可以查到相关的气候信息，以便知道什么时间合适用化学制品消灭昆虫。

They can also get information about the weather so they will know the right time to use chemicals to kill insects.

youdao

你必须要知道在什么时间，吃多少合适的食物。

you have to learn eating the right foods at the right time during the day in moderate amounts.

youdao

你必须要知道在什么时间，吃多少合适的食物。

you have to learn eating the right foods at the right time during the day in moderate amounts.

youdao