I am certain that...
我确信...
🧩 词语组成解析
am
[æm]
abbr. (=amplitude modulation) <无>调频，调谐;
vi. （用于第一人称单数现在时）是;
aux. （与v-ing连用构成现在进行时，与v-ed连用构成被动语态）;
certain
['sə:tən]
adj. 某一;必然的;已确定的;
pron. [动词用复数]某些;
🗣️ 情景例句
My parents set aside a college savings fund for me.
我的父母为我存了一笔上学的费用。
It was eleven o'clock when he finally showed up.
他最后露面时，已经11点钟了。
That's a nice car. How long have you had it?
好漂亮的汽车。你买多久了？