| 释义 |
alness r.
- realnessn. 真诚；真实性
- alertnessn. 警戒,机敏
- eternalness永恒，永远
- alienistn. 精神病医生；精神病学家
- 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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