🧩 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;
year
[jɪr]
n. 年;年纪;一年的期间;某年级的学生;
old
[old]
adj. 老的;古老的;以前的;（用于指称被替代的东西）原来的;
n. 古时;
🗣️ 情景例句
When you have a business meeting in the United States, come to the appointment on time.
当你在美国有商务会晤时，一定要按时赴约。
I can't be sure of my future plans.
我还没有明白地定下我将来的计划。
This one is 3 yuan. That's dear.
这支笔三块钱，太贵了。