Calloy
铜镍硅合金
🗣️ 情景例句
She is not my kind of girl.
她不是我喜欢的那种。
What shall I send him for his Christmas?
我要送他什么东西作为圣诞礼物？
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在写字。莉莉没在写字。她在看黑板。