Isef
Intel International Science and Engineering Fair 英特尔国际科学与工程大奖赛
🗣️ 情景例句
Thank you.
谢谢 。
Old foxes want no tutors.
老狐狸不需要教师。
As it was extremely heavy, he dumped it on the counter.
布袋很沉，他重重地把布袋扔在柜台上。