FDA approves doxorubicin, an anti - tumor antibiotic from Streptomyces bacteria.1974年, FDA批准一种来源于链球菌的抗肿瘤抗生素-阿霉素.Verapamil partially reversed the resistance of MCF - 7 Adr to doxorubicin.维拉帕米可逆转MCF - 7Adr对阿霉素的抗药性.The adso...
He is chopp wood.他正在砍柴.Chopp onions always make my cry.切洋葱时,我总是被熏得眼泪直流.Parallax correction mark in the viewfinder can help avoid chopp head and feet at close distance.取景器中的视差纠正线能帮助避免近距离摄影时削掉头和脚....
The birds cannot afford to relax their vigilance against predators.鸟儿不敢放松对捕食者的警戒。Constant vigilance is necessary in order to avoid accidents.为了避免意外事故,必须经常保持警惕.Never relax your vigilance while you live in peace.你们要居安思危.We...