Indefinite summation
[计] 不定和
🧩 词语组成解析
🗣️ 情景例句
Look here! I've had enough of that!
嘿，我已经受够了。
Did you get dressed right away?
你马上穿好衣服吗？
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。