I would have to learn, little by little, to exist alone.我得慢慢学会独自生活。For all practical purposes the treaty has already ceased to exist.实际上协议已经不复存在。He thought that if he couldn't see something, it didn't exist.他认为...
Invertase can exist as active monomer ( light invertase ) or as an aggregated active form ( heavy invertase ).转化酶可以活性单体 ( 轻转化酶 ) 或聚集的活性形式 ( 重转化酶 ) 存在.There exist complete cross - incompatibility and also partial incompat...
蚯蚓做了使土壤透气的重要工作。Earthworms do the important job of aerating the soil.蚯蚓钻土很深。Earthworms burrow deep into the soil.他们正在挖蚯蚓作鱼饵.They were digging up worms to use for bait....