Micrometeoroid
n. [天]微流星體
??? 情景例句
Please have your customs declaration form ready.
請把您的申報表準備好。
No, No. You can't do it like that.
不行，不行。不能隨你那樣做。
That's why you need the lab.
這就是你為什么要用實驗室的原因。