The naming of stars is at the discretion of the International Astronomical Union.给星体命名是由国际天文学联合会决定的。He developed an armillary sphere, on which were carved all the astronomical phenomena known time.经过多年的观察,他研制了一架“浑天仪”.凡是知...
Problem is the splurges don't always have the intended effect.问题在于,挥霍不是总能达到预期中的作用.She really splurges on new clothes.她确实舍得花钱买新衣服.The extra revenue will go more to repaying debt than on election - year splurges.大部分额外...
他们发现狄氏剂的挥发常随紧实度的增加而减低.They found volatilization of dieldrin tended to decrease as bulk density increased.狄氏剂与艾氏剂有关,对蚯蚓的毒性是相似的.Dieldrin is related to aldrin, and its toxicity to earthworms is similar....