Pentafluorization
五氟化反应
🗣️ 情景例句
And she's shy with new people, just like he is.
她见了生人就害羞 ，与他一样。
The path to glory is always rugged.
通向光荣的道路常常是坎坷不平的。
Yes, I've looked for it everywhere, said Han Meimei.
“是的，我到处都找过了，”韩梅梅说。