Picolyl
吡啶甲基, 皮考基
🗣️ 情景例句
It's so nice out.
外面天气真好。
I'm glad to hear about your graduation.
我很高兴听到你毕业的消息。
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。