Monoether
单醚
🗣️ 情景例句
When the bough breaks,
树枝若折断
Aren't you relieved that your puppy was finally found?
你的小狗终于找回来了，你应该安心了吧？
Earlier, we were infants and young children, and consequently more vulnerable;
再早一些，我们是幼儿和小孩子，身体较脆弱；