Lactonaphthol
[化] 内半缩醛; 乳醇\\n[医] 乳酸萘酚, β-萘酚乳糖酯
🗣️ 情景例句
Please sit down.
请坐下。
Please do now hesitate to as any questions.
如有问题您可随时提出来。
Firemen had been fighting the forest for nearly three weeks before they could get it under control.
消防队员们同那场森林大火搏斗了将近3个星期才最后把火势控制住。