Perhydroanthracene
蒽烷, 全氢化蒽
🗣️ 情景例句
In China, Spring Festival is the biggest holiday of the year, but in the west Christmas is the biggest.
中国最大的节日是春节，西方最大的节日是圣诞节。
Her attitude towards him has changed.
她对他的态度改变了。
The question will be settled tonight.
这个问题将在今晚解决。