Petrox
石油氧化物
🗣️ 情景例句
I don't like to travel during the holiday season.
我不喜欢在放假的季节去旅游。
All things are difficult before they are easy.
凡事都是先难后易。
Taking a path which led out of the town, we crossed a few fields until we came to a dense wood.
我们走上了一条出镇的小路，穿过几块农田，来到一片茂密的树林。