Alkane
[ ['ælkein] ]
高中 Senior High
[化] 烷烃; 链烷烃\\n[医] 烷属烃
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
Merry is he that hath nought to lose.
人无所失，不亦乐乎。
he instructs the bank to debit his account only in respect of cheques drawn by himself.
嘱咐银行他的存款只能凭他本人签字的支票来提取。