Certifying
v. （尤指书面）证明( certify的现在分词 ); 发证书给…; 证明（某人）患有精神病; 颁发（或授予）专业合格证书
✅ 同义词
🗣️ 情景例句
It has been raining constantly for two days.
雨连续下了两天。
A friend is not so soon gotten as lost.
交友慢，失友快。
The Butterfly Effect is the reason.
原因是蝴蝶效应。