Esein
伊短菌肽
🗣️ 情景例句
The selection here is very large, it may be difficult to choose.
这里有很多式样可以选，可能很难决定。
Sorry to have kept you waiting.
抱歉使你久等了。
When honey bees have discovered a feeding place, they fly directly to it from the hive.
当蜜蜂发现一个喂食点时，它们从蜂箱直接飞往那里。