中英释义：
双语例句
运动员抵达终点时必须以仰卧姿势触壁。
Upon the finish of the race the swimmer must touch the wall while on the back.
重点词汇
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仰卧
lie on one's back; lie supine; recline face up
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姿势
posture; pose; gesture; stance; position; attitude; condition; situation; postural; positional