Cassiterolamprite
黄锡矿
🗣️ 情景例句
What can I do for you?
我能帮你什么忙？
It's hard sailing when there is no wind.
没有风难航行。
To answer this question, von Frisch and his coworkers set up a feeding place close to the hive.
为了回答这个问题，冯·弗里施和他的同伴在蜂箱附近建起了一个喂食点。