Linking verb
n. 连系动词（如be, seem, become）
🧩 词语组成解析
[计] 连接, 链接
🗣️ 情景例句
He's not making much progress with his English.
他的英语进步不大。
Keeping is harder than winning.
创业不易，守业更难。
Is this the man that you served, Caroline?
卡罗琳，这就是你接待过的那个人吗？