🧩 词语组成解析
n. 岛屿；群岛（island的复数）
🗣️ 情景例句
Yes, I've been there a number of times.
我去过许多次了。
Pleasant hours fly fast.
欢乐的时间过得快。
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。