Have done
结束, 做完
🧩 词语组成解析
have
[hæv]
aux. 用以构成完成式及完成式的不定式，表示已经…;
vt. 有，具有;拿，取得;从事;必须，不得不;
n. 〈口〉有产者，有钱人;富国;〈英俚〉欺骗，诈骗;
have=possess持有 → 有
done
[dʌn]
adj. 已完成的;煮熟的;合乎礼仪的;合乎规矩的;
int. （表示接受建议）;
v. 做( do的过去分词);干;
🗣️ 情景例句
How many words can you type per minute?
你一分钟能打多少字？
The worst traffic condition of the town
镇上最拥挤的交通状况
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。