释义 |
boeuf r.
- Boersn. 波尔人(Boer的复数)
- Beaufortn. 蒲福(姓氏)
- beforeprep. 在…之前,先于 adv. 在前;以前
- 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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