Hemiketal
[机] 半缩酮
🗣️ 情景例句
Let's take a snack break.
咱们休息一下，吃点东西吧。
Tears are the silent language of grief.
眼泪是悲哀的无声言辞。
The tree must be put in the hole now.
现在把树放入坑里。