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
Your work will get by, but try to improve it.
你的工作还过得去，不过还得努力改进一下。
Let me talk to her over the phone.
让我在电话中和她讲些话。
They plan to immigrate to Finland next year.
他们计划明年移居芬兰。