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
for a long time,
很久了，
I'll be looking forward to it.
我将期待这一天。
Back at the hive they watched the wagging dance closely.
他们回到蜂箱旁，仔细观察摇摆舞。