Heptanedioic acid
[化] 庚二酸
🧩 词语组成解析
🗣️ 情景例句
Dreadful weather, don't you think?
天气可真差劲，你说呢？
Better wear out shoes than sheets.
宁可（经常运动）穿破鞋子，也不（因病长卧）磨破床单。
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道，办这所学校要花很多的钱，我们需要很多好教师。