| 释义 |
Simuay R.
- simulacrumn. 像,影,幻影,模拟物,假的东西
- semiaridadj. 半干旱的；雨量非常少的
- samariumn. 钐（一种稀有金属元素）
- 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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