class-B
| amplify
| class B | |
| busin. | B类; B级; 乙类; 乙级 |
| amplify | |
| gen. | 扩大; 增强; 充实; 推广 |
| busin. | 扩大; 健全 |
| econ. | 增强; 放大 |
| radio.amat. | 放大 |
| space | 加强 |
| |||
| B类; B级; 乙类; 乙级 | |||
| 乙组 | |||
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class-B : 58 phrases in 18 subjects |