Thuringione
三氯二羟基甲氧基甲基吨酮
🗣️ 情景例句
How long is this flight?
这趟飞行有多长时间？
Now read,please.
现在请大家读。
but she is never sufficiently strong-minded to be able to stop the practice.
但她又缺乏足够坚强的意志把这一收集活动停下来。