Prelital
仲丁巴比妥钠
🗣️ 情景例句
I need to post a letter.
我得去寄封信。
Please ask John to turn on the lights.
请要求约翰打开灯。
Hardly anyone can positively enjoy sitting in a train for more than a few hours.
很少有人能够真正喜欢坐几个小时以上的火车。