Conducter
售票员
🗣️ 情景例句
Yes. About four years ago.
是的 ，大约四年前走的。
I often listen to the radio at night.
我常常在晚上听收音机。
I've lost my science book. Have you seen it anywhere?
我的自然科学书丢了。你在哪看见了吗？