Ecd
[化] 电子捕获检测器
🗣️ 情景例句
What does he say?
他说了些什么？
The plate is dirty, Would you bring me a clean one, please?
这碟子是脏的，请你拿个干净的给我。
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。