Microcrystals
(microcrystal 的复数) n.微晶(体)
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
He is the wise man who is the honest man.
诚实的人就是聪明的人。
He has an old head on young shoulders.
他年轻又有见识。