The iron hissed as it pressed the wet cloth.
熨斗压在湿布上时发出了
。
The iron hissed as it pressed the wet cloth.
熨斗压在湿布上时发出了。
If the machine starts making a hissing noise, then turn it off double quick.
如果机器开始发出， 
刻把它关掉。
Hisses and pops are generated by the action of the tongue, lips and throat during sibilants and plosives.
与爆破通过
头、嘴唇
及喉咙的作用产生出来。
：
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