| 常川供给 keep sb. constantly supplied |
| 常川往来 keep in constant touch |
| 常州隶属江苏省 Changzhou is under the juris... |
| 常常 frequently |
| 常年 throughout the year |
| 常年坚持体育锻炼 persist in physical training... |
| 常年积雪的地方 a region of perpetual snow |
| 常年老规 rules consecrated by time |
| 常庄 a surname |
| 常庄谈 Changzhuang Tan |
| 常态 normalcy |
| 常情 reason |
| 常捷军 the Ever Triumphant Army |
| 常数 constant |
| 常春藤 ivy |
| 常春藤攀墙往上爬 The ivy has climbed up the w... |
| 常有之事 a matter of frequent occurre... |
| 常有书信往来 keep up a regular correspond... |
| 常服 suit |
| 常来常往 frequently see each other |
| 常染色体 autosome |
| 常比例 constant ratio |
| 常温 normal atmospheric temperatu... |
| 常温动物 homoiothermal animal |
| 常理 convention |