Label expression
[计] 标号表达式
🧩 词语组成解析
label
['lebl]
n. 标签;称标记，符号;[建] 门或窗户上面的线脚;
vt. 贴标签于;把…称为;把…列为;[化]用放射性元素使（元素或原子等）示踪;
🗣️ 情景例句
Sorry, but she is out for lunch right now.
抱歉，她现在出去吃午饭了。
Rome was not built in a (or one) day.
罗马不是一日建成的。
Yes, I think so.
是啊。