Spiro[4.4]nonane
[化] 螺[4.4]壬烷
🗣️ 情景例句
for them and for myself and for Philip.
为他们， 为我自己和Philip。
One chick keeps a hen busy.
一只小鸡已够母鸡辛忙。
Learn to say the right thing at the right time.
学会在适当的时候说适当的话。