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
When was the last time?
最近一次是什么时候？
He was content that the thing had happened.
这事终于发生了，对此他是满意的。
He's putting on his school clothes.
他在穿校服。