| 释义 |
Piray, R.
- piracyn. 海盗行为；剽窃；著作权侵害；非法翻印
- priorityn. 优先；优先权；优先次序；优先考虑的事
- prairien. 大草原；牧场
- 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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