Picolinium
[化] 甲基吡啶┹; 皮考啉┹
🗣️ 情景例句
is tomorrow morning at ten o'clock.
明天早上十点。
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话，我们想留几个晚上供你们自由支配。
What shall we do then?
那么我们干啥？