人体的免疫系统是抵御疾病的主要屏障。The immune system is our main defence against disease.肾上腺分泌人体的大部分性激素.The adrenals produce a large per cent of a man's sex hormones.骨骼和肌肉是人体的组成部件.The bones and muscles are parts of the mechanism of ...
At that, Reno lost her cool composure.听了那句话，雷诺失去了冷静。He lost his temper after a driver flashed her headlights as he overtook...一个女司机在他超车时不停地闪着车前灯，这让他火冒三丈。The woman lost about 1.8kg of fatty tissue during the week's f...
Just then, Bart returned, wobbling on his skates.就在这时，巴特摇摇晃晃地滑着轮滑回来了。a pair of roller skates一双旱冰鞋Take your skates in case you decide to go skating.把溜冰鞋带去,说不定你们要溜冰呢....