| 释义 |
Palanan R.
- planaradj. 平坦的；平面的；二维的
- planetaryadj. (似)行星的
- complainantn. 发牢骚的人,原告
- 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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