Ultralumin
超硬铝, 由尔特拉铝合金
🗣️ 情景例句
If you flatter your mother a bit she might invite us all to dinner.
你如果多奉承你母亲几句话，说不定她会把我们全部请去吃饭。
My watch says two o'clock.
我的表是两点钟。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。