例句：
Twenty-eight is divisible by seven.
二十八可以被七整除。
It's twenty years since I've seen her.
我已經(jīng)二十年沒見她了。
I've been waiting (for) twenty minutes.
我等了二十分鐘。
歡迎來(lái)到瑞文網(wǎng)！
歡迎來(lái)到瑞文網(wǎng)！
2021-09-10
例句：
Twenty-eight is divisible by seven.
二十八可以被七整除。
It's twenty years since I've seen her.
我已經(jīng)二十年沒見她了。
I've been waiting (for) twenty minutes.
我等了二十分鐘。