Ultralumin
超硬铝, 由尔特拉铝合金
🗣️ 情景例句
Well, when you called,
嗯， 你们打电话来时，
I saw him last Monday.
我上个星期一看到他。
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。