| 释义 |
Ona, R.
- onanismn. 性交中断（为防受精而中断性交）；手淫
- onrushn. 猛冲；突进；袭击；急流
- onerousadj. 繁重的；麻烦的；负有义务的；负有法律责任的
- 读、写、算dú _ xiě _ suàn
the three R's
- 阴极射线管yīn jí shè xiàn guǎn
cathode-ray tube (CRT); cathode-ray lamp; C-R tube
- 絮凝反应xù níng fǎn yīng
flocculoreaction; F. R.
- 每分钟转数měi fèn zhōng zhuǎn shù
revolutions per minute (r/m)
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