Pentaether
五醚, 四甘醇二丁醚
🗣️ 情景例句
I am hungry.
我真是饿了。
Tomorrow comes never.
切莫依赖明天。
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。