| 释义 |
Firth R.
- firthn. 峡湾；河口湾，三角港
- furtheradv. 更远地；进一步地；而且 adj. 更远的；深一层的
- 河口湾hé kǒu wān
firth
- 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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