Three-tier
[医]三层
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
tier
[tiə]
n. 等级;阶梯座位等的一排，一行，一层;包扎工;
vt. 层层排列，使层叠;
vi. 成递升排列，层叠;
🗣️ 情景例句
Please accept my apologies for any trouble my mistake has caused you.
因为我的失误给你添麻烦了，请接受我的道歉。
Can you guess what I was doing this morning?
你能猜到今天上午我在做什么吗？
Two of his greatest films, City Lights and Modern Times were of this kind.
他的两部最伟大的影片《城市之光》和《摩登时代》就是这种影片。