white phosphorus白磷, 黄磷Phosphorus and its compounds are non renewable and non replaceable limited resources.磷是一种不可更新、难以替代的有限自然资源.Phosphorus is essential to plant growth.植物生长需要磷.red phosphorus红磷, 赤磷White or Yellow phosphor...
我们点了螃蟹, 海胆, 鱼,虾.There were crab, urchin, fish and Shrimps in the table.翠西雅: 是海胆,那个就免了.Tricia: Those are sea urchins . We'll 3 pass on those.我选择沙海胆,因为它来自海洋.I chose a sand dollar because it comes from the ocean....
那些全是凭辛苦的劳动得来的。That's down to pure hard work.毫无疑问，抚养孩子是件很辛苦的事。Bringing up a baby is undeniably hard work.他的胜利被视为训练期间所有辛苦的回报。His victory was seen as payback for all the hard work he'd put in during training....