An earthworm is a terricolous organism.蚯蚓是陆生的生物.Objective To determine the molecular weight of a novel deoxyribonuclease ( EWD 1 ) from the earthworm.目的测定从蚯蚓组织中提取纯化的一种新型 脱氧核糖核酸 酶的相对分子质量.Earthworm medicines and chemical r...
An earthworm is a terricolous organism.蚯蚓是陆生的生物.The earthworm population had declined by 70 %.蚯蚓数量下降70%.The oral opening in an earthworm is small.蚯蚓的口是很小的....
She wondered if Harry had been unfaithful to her during this long separation...她不知道和哈里分开这么久,他是否曾对她不忠。The best choice for separating diethylbenzene is the adsorptive separation by zeolite adsorbents in high efficiency.指出高...
After seven days , the grouted mortar will have concreted, then we shall tighten the anchor bolts.灌浆在七天以后凝固, 我们就将拧紧地脚螺栓.Using a pestle and mortar, pulverise the bran to a coarse powder...用杵和臼，将麸皮磨成粗粉。A home isn’t just br...
a grove of birch trees白桦树丛We found that birch bark could serve as paper.我们发现桦树皮可以作纸用.They've got a wonderful birch in the back garden.他们在后花园有一棵极好的桦树....