Pentacontane
五十烷
🗣️ 情景例句
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
I ate mushroom soup for lunch yesterday.
我昨天晚饭吃的是冬菇汤。
It was necessary to recognize that these institutions which are based on the same premises,
必须认识到，这些建立在相同前提基础上的风俗，