Midline
n. 中间线, 中线
🗣️ 情景例句
Why, that's wonderful!
哎呀， 这太美好了！
All shall be well, Jack shall have Jill.
有情人终成眷属。
There are also other varieties that do not live in groups at all.
还有别的类型的蜂，它们全然不过群体生活。