Pentachlorization
五氯化作用
🗣️ 情景例句
It's funny. History repeats itself.
真有意思。历史在重演。
Idleness is the key of beggary, and the root of all evil.
懒惰是行乞的敲门砖，是万恶的根源。
I smoked with concentration and pleasure as I was sure that this would be my last cigarette.
我聚精会神而又愉快地吸着这枝烟。因为我确信这是我最后一枝烟了。