最好先伸展一下僵硬的肌肉。It is better to stretch the tight muscles first.我被要求伸展手臂，收紧胸肌。I was required to hold out my arms and flex my pectorals.这块地从草木茂盛的狭长地带一直伸展开来。The land sweeps away from long areas of greenery....
The EST isozyme of butterflies possess polymorphosis.蝴蝶酯酶同工酶具有多态现象.In some respects of isozyme zymogram of cytochrome oxidase and peroxidase exist obvious difference.在细胞色素氧化酶和过氧化物酶同工酶谱方面,存在明显的差异.A new EP isozyme with hig...
One onlooker had to be restrained by police.一个旁观者遭到了警察的制止。We cannot remain a passive onlooker to the hysteric moves of the enemies.我们不能对敌人目中无人的行动坐视不理.By the time the ambulance arrived, a crowd of onlooker had gathered.救护...