可能你泳游的挺好，可是穿着飞行服、救生背心，头戴钢盔，脚蹬铁头靴子，那就完全不是一码事了。
"You may swim well, but put on a flight suit, a survival vest, a helmet and steel-toed boots, and it's a whole different ballgame," Gayles says.
随着使用年限的增加，氯丁橡胶会逐渐粘稠和老化，救生服因而容易撕裂、破洞和开线——在寒冷的北方海域，这种小破绽无疑是致命的。
Neoprene stiffens and deteriorates as it ages, becoming prone to RIPS, holes and split seams-any of which can be fatal in frigid northern seas.
Delaney警探在只穿了潜水服、面具和通气管而没有带氧气罐的情况下入水向依靠救生衣漂浮在水中的一名女性靠近。
Detective Delaney entered the water without an air tank, but only his diving suit, mask and snorkel and approached a woman floating in a life vest, he said.
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