🧩 词语组成解析
fifty
['fɪfti]
n. 五十个人;五十岁;五十年代;编号为五十的东西;
num. 五十;五十个;
adj. 五十的;五十个的;许多的;
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;
🗣️ 情景例句
I'm doing it for you.
也是为你做的。
We can't draw well.
我们不能画那么多。
and then generalized the results of his many experiments into the famous law of free fall.
然后将多次实验结果概括成著名的自由落体定律的人。