They drummed it into her that she was not to tell anyone.他们反复告诫她，让她不要告诉任何人。Two issues almost daily drummed into the ears of Californians.两种争论几乎每天都要灌进加利福尼亚人的耳朵.He drummed his fingers on the leather top of his desk.他用手指连续敲...
The cytoskeleton is composed of microfilament, microtubule and intermediate filament, which have important biological functions.细胞骨架包括微丝 、 微管和中等纤维, 其在细胞中具有多种重要的生物学功能....