| |||
spontaneous output |
自动输出 : 22 phrases in 13 subjects |
Audio electronics | 1 |
Automobiles | 2 |
Aviation | 1 |
Business | 2 |
Computers | 1 |
Earth sciences | 2 |
Electric machinery | 1 |
Electronics | 4 |
General | 1 |
Metallurgy | 1 |
Space | 2 |
Technology | 2 |
Telecommunications | 2 |