Thein
n. 咖啡因, 茶碱
🗣️ 情景例句
Please wait a second.
请稍等。
No. I went to California for a few weeks.
没有。我上加利福尼亚去了几个星期。
Well, we listened to lectures about pollution, agriculture, nuclear waste, radiation and so on.
噢，我们听取有关污染、农业、核废料、辐射等讲座。