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....
Some women with hydrosalpinx may have constant or frequent pain in their lower or abdomen.有些输卵管积水患者可以有持续的或频繁的下腹痛.The nurse tapped the patient’s abdomen.护士给病人放出腹水。How to know to there is ascarid inside abdomen?怎样知道肚子里面有蛔虫...
Double - black duotone: A duotone created from two black plates.双黑双色调: 由两块黑版印制的双色调.Double - tone half - tone : A colour plate printed slightly out of register to create a duotone effect.双重 半色调: 用一颜色印版,作稍为不准的套印,从而产生双色调的效果...
把纸牌正面朝下放在桌子上，然后切牌。Place the cards face down on the table and cut them.他坚持让我们在每次发牌前都让他来最后切牌.He insisted that we give him the last cut before every deal.请切牌.Cut the deck, please....