Unique variable
[计] 唯一变量
🧩 词语组成解析
🗣️ 情景例句
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可怜的小宝贝。
March comes in like a lion and goes out like a lamb.
三月来如雄狮，去如绵羊。
My friend fails to mention the long and friendless winter evenings in front of the TV -- virtually the only form of entertainment.
我的朋友没有提到在电视机前度过的漫长寂寞的冬夜——电视是唯一的娱乐形式。