Alkane
[ ['ælkein] ]
高中 Senior High
[化] 烷烃; 链烷烃\\n[医] 烷属烃
🗣️ 情景例句
It is. Come on out to the patio.
的确如此。请到院子里来吧。
How have you been these years?
这些年你怎么样？
An electric razor that meets the European Union's safety standards must be approved by American testers before it can be sold in the United States,
一把符合欧洲联盟安全标准的电动剃须刀必须得到美国检测人员的认可，方可在美国市场上销售；