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
We all have the same 168 hours per week, it's what you do with them that counts.
我们每个人一周里都有 168 个小时，就看你怎么利用。
Saying and doing are two things.
说与做是两回事。
It is between two hills.
它们于两座小山之间。