Microbead
微珠
🗣️ 情景例句
We must prepare ourselves to have a hard time.
我们必须准备过艰苦的日子。
The moon emerged from behind a cloud.
月亮从云后出现。
I'm very sorry, sir.You must get off the bus.None of our passengers can change this note.
非常抱歉，先生。您必须下车。我们的乘客中没人能换开这张钞票。