Yeast is a single - celled organism complex to study for initial screening purposes.选择酵母是因为酵母是单细胞生物,便于研究.Fully understanding its harmfulness, one adopt preventive measurment to prevent organism invasion.充分了解其危害, 采取防范措施,防...
It is cold now, but it'll be still colder tonight.现在很冷, 但今晚更冷.Do you have lodging for tonight?你今晚有借宿的地方 吗 ?Lately there had been big problems facing him, quite apart from tonight's imbroglio.最近他面临着许多重大问题, 还不算象今...