Potin
铜锌锡合金
🗣️ 情景例句
Reading childern's literature is an excellent way for the beginning English speaker to improve.
对于刚刚开始学说英语的人，阅读儿童文学读物是个不错的方法。
I meet the boy whose aunt is a clerk.
我遇到那个男孩的姑妈是店员。
Thanks for taking me the movie.
谢谢你带我去看电影。