Microcalipers
测微计
🗣️ 情景例句
You ready for the next problem?
你准备好做下一道题了吗？
He has never been out of China, so he is very excited about liveing abroad.
他以前从未出过国，因此对出国很兴奋。
Excuse me. Where's the nearest post office, please?
请问，最近的邮局在哪儿？