the many isotopes of carbon碳的诸多同位素Tritium is one of the mildest radioactive isotopes.氚是最和缓的放射性同位素之一.The inferno spewed a deadly plume of radioactive isotopes into the atmosphere.这个象炼狱般的地方将一缕致死的放射性同位素喷入大气层....
a heartbreaking story伤心的故事This year we won't even be able to buy presents for our grandchildren. It's heartbreaking.今年我们甚至无法给自己的孙儿辈买礼物了。这真让人心碎。After this heartbreaking experience, Thorpe turned to professional ...
These tips may prove to be lifesavers.这些小建议或许能救您一命.Surf lifesavers removed the 60 centimetre shark by hosing it with fresh water.最后救生员用淡水围着60公分的鲨鱼洒水,才得己松口....
合伙人入伙合营Partner joins the company.董事由合营各方委派.The directors shall be appointed by the parties to the venture.第十九条合营企业为有限责任公司.Article 19 A joint venture is a limited liability company....