GbEng
安娜不会游泳, 在游泳池的深水区里挣扎著. Anna couldn't swim and was left floundering (about/around) in the deep end of the swimming-pool.
海底(实验室)工作人,深水操作人员训练能在水下装置物中生活并引导、辅助或作为科学研究的对象 A person trained to live in underwater installations and conduct, assist in, or be a subject of scientific research.