Methylpyridine
[医] 甲[基]吡啶
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
Whatever is worth doing at all is worth doing well.
凡是值得做的事，就值得做好。
Sorry, but I'm not at liberty to reveal that information.
对不起，我示能随意泄露情报。