Microdetection
微量测定
🗣️ 情景例句
I haven't got a clue on how to spend the National Day holiday.
如何度过国庆假期我还没有一点头绪。
An ill marriage is a spring of ill fortune.
不良的婚姻是恶运的来源。
It really takes time.
这样太耽误时间了。