Heterojunction
[计] 异质结
🗣️ 情景例句
Hi, I'm just calling to see if you got home s afely last night.
你好，我打电话来确定一下你是否已经安全到家。
Is there any chance of my borrowing your typewriter?
能不能借用一下你的打字机？
No, thank you.
不了，谢谢。