书籍 Four Corners 2 - 第 12 单元 B 课

used when greeting someone after a long time has passed since one's last encounter with them

facts or knowledge related to a thing or person

an examination that consists of a set of questions, exercises, or activities to measure someone’s knowledge, skill, or ability

used to express regret, disappointment, or sympathy about a situation

an uneasy feeling that we get because of our own or someone else's mistake or bad manner

very great and pleasant

in a notably positive or exceptional manner

to notice the sound a person or thing is making