Ultraduralumin
超硬铝
🗣️ 情景例句
My mistake. it won't happen again.
是我的错。 不会再发生类似的事情了。
This world belongs to the energetic.
世界属于精力旺盛的人。
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。