Based
v. 立基于, 以…为基础（base的过去式和过去分词）
✅ 同义词
🗣️ 情景例句
Do you happen to know...
你是否碰巧知道…
He was content that the thing had happened.
这事终于发生了，对此他是满意的。
Where can I go for help?
我该怎么办呢？