Chaired
vt. 主持（chair的过去式与过去分词形式）
🗣️ 情景例句
Because the job was not challenging enough.
因为那份工作挑战性不够。
It's a long way from here.
它离这里很远。
Well done, everyone, and congratulations to the winners.
你们个个表现出色，我谨向获胜者表示祝贺。