🗣️ 情景例句
Don't open the door if you don't know who it is.
如果有陌生人敲门不要开门。
You can't take it back!
说话算话！
After years of conditioning, most of us have developed an unshakable faith in railway timetables.
经过多年的适应，大多数人对火车时刻表产生了一种不可动摇的信念。