Pentaether
五醚, 四甘醇二丁醚
🗣️ 情景例句
I feel uncomfortable about it.
我对此感到满别扭的。
To travel by ship
乘船旅行
Many people think that Canadians all over the country speak the same way.
许多人认为加拿大全国人的说法都相同。