Neohexanize
添加新已烷
🗣️ 情景例句
How do you spend your leisure time?
你是怎样打发业余时间的？
Would you please tell us the price of these electric heaters so as to help us make the decision.
能否告知这些电热器的价格，以便我们作出决定。
Opportunity knocks but once.
机不可失，时不再来。