Prevertebrate
原脊椎
🗣️ 情景例句
Work harder and practice more.
要更加努力地学习，更加勤奋地操练。
Can I speak to Mr. Li?
我能请李先生讲话吗？
When a marked bee returned to the hive from the feeding table, Von Frisch watched through the glass.
当一只有记号的蜜蜂从喂食桌回到蜂箱时。