🗣️ 情景例句
Yes, Sam?
什么事 ，Sam？
A colt you may break,but an old horse you never can.
小驹犹可练，老马最难驯。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。