John Harmon : Okay , my name is John HarmonSCUBA stands for self-contained, underwater, breathing apparatus.
Scuba词在中文里水肺, 是一种帮助人在水下呼吸的设备.
One of the boys had to be rescued by firemen wearing breathing apparatus.
其中一个男孩须由带着呼吸装置的消防员才能救出。
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