The referee blew his whistle for a penalty.裁判鸣哨判罚.Hugh listened to the whistle of a train.休听着火车呼啸而过。Polly blinked and emitted a long, low whistle.波莉眨了眨眼，吹了一声低沉而悠长的口哨。...
The feed-pipe is as clean as a whistle, so I’m afraid, if the oil is not getting through to the burner, the valve must be faulty.送料管干干净净, 所以我担心要是油不通过喷嘴, 阀门一定有毛病。Hugh listened to the whistle of a train.休听着火车呼啸而过。Blowing i...