Dihydro-
二氢
🗣️ 情景例句
Touchdown! Touchdown! Touchdown!
达阵得分！ 达阵得分！ 达阵得分！
Beautiful day, isn't it?
今天天气真好，是不是？
As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape.
由于全国动物园没有一家报告丢了美洲狮，因此那只美洲狮一定是某位私人收藏豢养的，不知怎么设法逃出来了。