Nanoscience
纳米科学
🗣️ 情景例句
You and Dad.
你和爸爸。
The telephone is ringing.
电话铃响了。
The children were running to move the bag of rice when they heard the sound of a motorbike.
孩子们跑去搬那包大米，这时他们听到摩托车的声音。