| 释义 |
aff r.
- raffn. 大量；废料（等于riffraff）
- affirmvt. 断言；肯定 vi. 断言；确认
- affordvt. 给予，提供；买得起
- 读、写、算dú _ xiě _ suàn
the three R's
- 每分钟转数měi fèn zhōng zhuǎn shù
revolutions per minute (r/m)
- 阴极射线管yīn jí shè xiàn guǎn
cathode-ray tube (CRT); cathode-ray lamp; C-R tube
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