The boat wallowed helplessly in the stormy sea.那艘船在波浪滔滔的大海中无力地颠簸行驶.She watched helplessly as her husband was dragged away.她眼睁睁地看着丈夫被拉走了。Cross-currents can sweep the strongest swimmer helplessly away.即使最强壮的游泳者也会无助地被交叉水流冲走...
人体主要是由骨骼、肌肉和脂肪构成。The body is made up primarily of bone, muscle, and fat.游泳有助于改善骨质疏松和骨骼脆弱。Swimming is helpful for bones that are porous and weak.人的骨骼由206块骨头组成。The human skeleton consists of 206 bones....
在早晨,乡间小镇的街道是冷清的.The street of a country town is lonely at that early hour.他在国王冷清的宫殿里四处徘徊.He wandered hither and thither about the king's lonely palace.有一座村庄的名字听到让人发笑,它叫冷清的圣诞节.There is a village which glories in the ...