据悉海豚有时会救溺水的游泳者。Dolphins have sometimes been known to save drowning swimmers.即使最强壮的游泳者也会无助地被交叉水流冲走。Cross-currents can sweep the strongest swimmer helplessly away.游泳者从湖水中浮出来。The swimmer emerged from the lake....
He mentally visualizes a complex form all round itself.他在脑海里从形体的各个方面来模拟复杂的形体.He is much older, but do you think he visualizes scenarios , exchanges?他年纪大很多你对他可有想入非非?Longitudinal displacement measures myocardial motion amp...
Without thinking, she pelted down the stairs in her nightgown.她想都没想，穿着睡衣就飞奔下了楼。The children pelted him with snowballs.孩子们向他投掷雪球。The rain pelted down.天下着大雨....