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
You will never guess.
你绝对猜不到。
Would you ever have imagined him becoming a politician?
你想过他能当上政治家吗？
Gandhi returned to India in 1915 and was honoured as a hero.
甘地于1915年回到印度时，被推崇为英雄。