A'-dipyridyl a
[医] α,α'-双吡啶
🗣️ 情景例句
It's really different from what I expected.
这和我想象中的很不一样。
They've already turned on the electricity.The house is ready.
他们已经开了电.房子是准备好了的。
OK! What time shall we leave?
好的！我们什么时候出发？