哨声

哨声 [shào shēng]

1. ■ whistling:

乘务员哨声一响， 司机开动机车。 At the conductor's whistle the engine-driver starts his locomotive-engine.

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常用词组

1. ■ 哨声波 whistler wave;

2. ■ 哨声记录仪 whistle recorder;

3. ■ 哨声天鹅 whistling swan;

4. ■ 哨声通信 whistle communication