1.Plutonium may be grabbing the headlines right now, but it's not the most dangerous substance being emitted from Fukushima.
钚虽然占据了各大报纸的头条，但它并不是福岛核电站泄漏出的最危险的物质。
2.Cesium-137, with a half-life of 30 years, is another dangerous substance emitted in a full-scale nuclear meltdown.
核反应堆完全熔解后，会释放出另一种危险物质铯-137。铯-137的半衰期为30年。
3.Beware of what you do with this dangerous substance.
你处理这些危险品时，可要当心。
4.Packaging approval for dangerous substance.
危险品包装许可证。
5.Formaldehyde is a dangerous substance and it is not very much tolerate by man or by any other living organism.
甲醛是一种对于人体或其他生物极具危害性的物质。
6.This is the most dangerous substance known to man.
这是人类已知的最危险的物质。
7.Harmful general concepts and dangerous substance Pass
危害物及有害物通识
8.Use great care with this dangerous substance
小心处理这个危险的物质
9.The dangerous substance in oils: trans-fatty acids
油脂中的有害物质反式脂肪酸
10.The main dangerous substance was LPG which was the lst class hazard;
分析结果为，第一类危险源是液化石油气；