Pentafluranol
五氟双酚
🗣️ 情景例句
He felt that his life was no longer worth living.
他觉得他的生命已经没有再活下去的价值了。
While waiting for the train I killed time by reading a book.
在等火车的时候我看书来消磨时间。
'What a day!' I thought.'It's raining again.
“鬼天气！”我想，“又下雨了。