Certified
[ ['sə:tifaid] ]
辅助 Assistant
a. 证明合格的\\n[化] 检定的; 证明的; 书面证明的
✅ 同义词
🔴 反义词
🗣️ 情景例句
We can learn a lot by asking.
我们到处问问会学到不少东西。
No sooner said than done.
言而必行。
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。