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
You didn't put film in the camera, silly!
笨蛋，摄影机里没有放胶卷。
I don't have the time for any more extra-curricular activities.
我没有更多的时间从事课外的活动了。
He hired a workman to repair the fence.
他雇用了一个工人修理围墙。