Metcolising
铸铁喷铝法
🗣️ 情景例句
Bye-bye, Alexandra. Thanks.
再见 Alexandra 谢谢。
I heard the clock, but I didn't get up until 9.
我听见闹钟了，但我捱到九点才起。
Our cases are brown.Here they are.
我们的箱子是棕色的。在这儿呢。