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
I have the whole summer ...
我有一整个暑假可以利用……
A word spoken is an arrow let fly.
一言既出，驷马难追。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。