Rafting
筏运
🏥 医学释义
合金，熔合物
🗣️ 情景例句
I'm sorry, but I've got to be on my way.
很抱歉，我必须走了。
I didn't think I'd see you here.
没想到会在这碰上你。
It's a good idea to hold such conferences.
召开这样的会议真是个好主意。