Co-chaired
(co-chair 的过去分词) n. 共同主席；联合组长
🧩 词语组成解析
[医] 钴(27号元素)
vt. 主持（chair的过去式与过去分词形式）
🗣️ 情景例句
Oh, yes, I couldn't agree more.
太对了，我举双手赞成。
You have your choice of three flavors of ice cream.
你有3种风味的冰淇淋可选择。
He slept very well for the first two nights,
头两天晚上，他睡得非常好。