Semidine
半联胺, 重苯胺, 苯氨基苯胺
🗣️ 情景例句
If we're all prepared to recycle paper, thousands of trees could be saved every day.
如果纸能被循环利用，那么每天千千万万的树木就可得以挽救。
Don't bury your head in the sand.
不要逃避现实。
Sending a fax is more expensive than posting a letter, but much quicker.
发传真比寄信要贵些，但是要快得多。