Heavy duty
[经] 重税
🧩 词语组成解析
heavy
['hɛvi]
adj. 重的，沉重的;大量的，浓密的;激烈的;重型的;
n. 重物;庄重的角色;
adv. 密集地;大量地;笨重地;
🗣️ 情景例句
He's got 20/20 vision.
他的视力很正常。
She succeeded in persuading her parents.
她成功地说服了父母。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，