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 ...
Trial rats had been done the partial hepatectomy after they were feed by AAF.用AAF灌喂大鼠后行肝部分切除,分时段检测肝功.The AAF adopted a very similar set , the SCR - 540 .陆军航空队接收到非常相似的装备——SCR -540.Evaluation of air - to - air tactics ( AA...
They have undertaken a reappraisal of pupils’ needs.他们已经开始重新评价学生的需要。Britain's worst jail riot will force a fundamental reappraisal of prison policy...英国最严重的监狱暴动会迫使政府对监狱政策进行彻底的重新评估。Then the end of the Korean War prod...
The spade and fork have longer shafts, providing better leverage.锹和耙的手柄较长,可发挥较好的杠杆作用。He sank the spade into the ground, and went at it.他把铁锹插到地里,开始卖力地干了起来。The spade sank into a clump of overgrown bushes.铲子插入了一丛长势旺盛的灌木丛。...