Hexaoxacyclooctadecane
[化] 六氧杂环十八烷; 18-冠-6; 18-冠醚-6
🗣️ 情景例句
And you promised me a surprise.
而且你答应给我一个惊喜。
The machines will be made of the best materials and the stipulations of the contract be strictly observed.
机器将用最好的材料生产，合同的规定也将得以严格履行。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，