compulsory dive
| exercise
| compulsory dive | |
| scub. | 规定动作 |
| exercise | |
| econ. | 行使; 执行 ，实行 |
| space | 实行; 运用 |
| sport. | 锻炼; 训练 |
| |||
| 规定动作 | |||
|
compulsory dive : 2 phrases in 1 subject |
| Scuba diving | 2 |