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中级 | |||
中等水平 | |||
先修班 | |||
中间平巷; 中等能级 |
intermediate-level : 28 phrases in 12 subjects |
Agriculture | 1 |
Aviation | 1 |
Biotechnology | 1 |
Business | 1 |
Chemistry | 2 |
Earth sciences | 1 |
Electricity | 1 |
Electronics | 8 |
Metallurgy | 1 |
Space | 1 |
Technology | 9 |
Water resources | 1 |