The pool's fiberglass sides had cracked and the water had leaked out.泳池四周的玻璃钢面开裂，水渗了出来。Without the support of my parents I would have probably cracked up completely. But I managed to hang on...假如没有我父母的支持，我可能已经彻底垮掉了。...
He cracked jokes and talked about beer and girls.他爱说笑话，喜欢谈论啤酒和姑娘。She would have cracked up if she hadn't allowed herself some fun.她若是没给自己找点乐趣的话，早就崩溃了。When he spoke, his voice was hoarse and cracked.他说话时声音沙哑颤抖。...
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....