Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.
微克,又是
微克,铍是周期表上最有毒的元素之
。
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不起的盖茨比(原版) A reluctant elevator boy went for a box full of straw and some milk to which he added on his own initiative a tin of large hard dog biscuits-- one of which decomposed apathetically in the saucer of milk all afternoon.
一个老大不情愿的开电梯的工人弄来
一只垫满稻草的盒子和一些牛奶,另外他又主动给买
一听又大又硬的狗饼干,有一块饼干一下午泡在一碟牛奶里,泡
稀巴烂。