Sym-tetrachlorodifluoroethane
[建] 对称-四氯二氟乙烷
🧩 词语组成解析
[计] 符号, 系统, 制
🗣️ 情景例句
Thank you, you are a real credit to the car repair industry.
感谢你，你真的为汽车维修业增了光。
Make yourself necessary to someone.
使你有益于人。
This is not easy, and may require two porpoises working together.
这并非易事，可能需要两只海豚合伙干才行。