Chaired
vt. 主持（chair的过去式与过去分词形式）
🗣️ 情景例句
You still look like a teenager.
你看起来像一个十几岁的青年。
There are ten dimes in every dollar.
每美元有十角。
Collecting as a serous hobby is quite different and has many advantages.
作为一种严肃的业余爱好的收藏活动完全是另外一回事，它具有许多益处。