Previscan
[化] 氟茚二酮
🗣️ 情景例句
Good-bye. Thanks.
再见。谢谢。
Reason binds the man.
理智约束著人。
One had winter we watched the river creep up the lower meadows.
有一年冬天，天气不好，我们眼看着河水浸没了地势较低的草场。