Ceralumin
铝铸造合金
🗣️ 情景例句
Yes, Richard.
说吧， Richard。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
acquired this man-made disease as a pestilence.
而欧洲自己却染上了这种人为的瘟疫般的疾病。