Co-chairing
(co-chair 的现在分词) 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的现在分词形式）
🗣️ 情景例句
I wonder how he is making out in his new job.
不知他新工作做得怎么样。
Whom will you invite to the party?
你将邀请谁参加聚会？
I've had enough of your garbage.
我听腻了你的废话。