| 释义 |
R. arboreum
- arboretumn. 树木园;植物园
- opprobriumn. 耻辱;羞辱
- arborvitaen. 崖柏属树,小脑活树
- 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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