进入睡眠状态时，我们的脑电波振幅慢慢变大。As we fall asleep the amplitude of brain waves slowly becomes greater.那个气球充气后就变大了.The balloon enlarged as we pumped air into it.这些巢每年都在变大，最终可能会把树枝压弯。These nests increase in size each year, and can ev...

“变大”的英语可以翻译为：largen，fill out ...

“使变大”的英语可以翻译为：greaten ...