Microdetection
微量测定
🗣️ 情景例句
the copy of Richard's book on my desk?
在我桌上那本Richard的书 好吗
I'll let you keep the book for the time being, but I'll want it back next week.
这本书我暂时借给你，吵过下星期我就要跟你要回来。
One had winter we watched the river creep up the lower meadows.
有一年冬天，天气不好，我们眼看着河水浸没了地势较低的草场。