Certify to
v. 书面证明
🧩 词语组成解析
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
That's better than being behind.
这总比落后要好。
A good idea came into my mind.
我想到一个好主意。
Somebody's knocking at the door. I'll answer it.
有人在敲门，我去开。