Microdefect
微观缺陷; 微缺陷
🗣️ 情景例句
He's quiet now.
他现在很安静。
I'm really sorry, but I seem to have misplaced your scarf.
真对不起，我忘记把你的围巾对丢在什么地方了。
I haven't heard from her for a long time.
我好久没有她的消息了。