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reading matter | |||
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读物: 50 phrases in 15 subjects |
Advertising | 2 |
Agriculture | 2 |
Automobiles | 1 |
Bridge construction | 1 |
Business | 1 |
China | 1 |
Earth sciences | 1 |
Economy | 1 |
Electronics | 3 |
General | 8 |
Librarianship | 23 |
Oil / petroleum | 1 |
Polygraphy | 3 |
Space | 1 |
Telecommunications | 1 |