您要查找的是不是：
- rack and snail (钟)齿条和蜗形轮
- hour rack (钟)时齿条
- rack hook (钟)齿条钩
- 点钟o'clock
- Snail蛋白Snail protein
- 一刻钟quarter-hour
- front rack (车箱)前栏板栅板
- Snail与肿瘤Snail and Tumor
- salt rack (家畜)食盐架
- snail超家族snail superfamily
- 秒钟second clock
- lifter rack (粗纱机的)升降齿条
- Snail转录因子snail transcription factor
- 6点钟准时举行鸡尾酒会，随之在8点钟举行正式的晚宴。Cocktails will be served promptly at six to be followed by dinner at eight.
- block rack (磨光玻璃缺陷)屑伤
- pIRES2一EGFP-SnailSnail
- element storage rack (燃料)元件存放架
- 6点钟到这儿报到上班。Report for duty here at six o'clock.
- 大本钟big ben
- 转录因子Snail及黏附分子E-cadherin在胃癌中的表达Expression of transcriptional factor Snail and adhesion factor E-cadherin in gastric cancer and their significance
