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
We have to maintain communication to understand each other.
必须保持交流以求相互理解。
I made reservations yesterday.
我昨天预订的。
The children compete against each other to reach the other end of the pool.
孩子们比赛看谁先到达游泳池的另一端。