Pyridylaldehyde
吡啶甲醛
🗣️ 情景例句
We'd like to make a reservation for this weekend.
我们想预订一个这个周末的房间。
Better deny at once than promise long.
轻诺必寡信。
is to make your interests gradually wider and more impersonal,
就是逐渐使自己的兴趣更加广泛，逐渐摆脱个人狭小的圈子，