Pentafluoride
五氟化物
🗣️ 情景例句
We looked at a lot of houses.
我们看了好多房子。
Words can't express how honored I feel at this moment.
任何话语也表达不了我此时的心情。
When the bees came back to the hive, Von Frisch saw a curious sight.
当蜜蜂返回蜂箱时，冯·弗里施看到一个奇特的现象。