Ci-s
[医][=calculus index score]牙石指数记分
🧩 词语组成解析
[计] 输入, 通信接口, 计算机工业, 配置项\\n[化] 化学电离
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
Custom is a second nature.
习惯是第二天性。
They play it like this, six students stand in a row in front of the class.
6个学生在全班前面站成一排。