我父母在四十多岁时就已经环游过世界了。
My parents had already travelled the world by the time they were in their forties.
▼点击显示答案
in英 /ɪn/|美 /ɪn/
their英 /ðeə/|美 /ðɛr/
forties英 /ˈfɔːtiz/|美 /ˈfɔrtiz/
解释
in 在这里表示"处于某个年龄段或时期"。
their 是形容词性物主代词，指代"他们的"。
forties 是 forty（四十）的复数形式，表示"四十多岁"的年龄段。
in their forties 这个短语表示"在他们四十多岁时"，指从40岁到49岁之间的年龄段。
My parents had already travelled the world by the time they were in their forties.
in 在这里表示"处于某个年龄段或时期"。 their 是形容词性物主代词，指代"他们的"。 forties 是 forty（四十）的复数形式，表示"四十多岁"的年龄段。 in their forties 这个短语表示"在他们四十多岁时"，指从40岁到49岁之间的年龄段。