例句：
He could have taken a spare key.
他原本可以帶上一把備用鑰匙的。
How do you spend your spare time?
你在業余時間干什么？
He's studying music in his spare time.
他在空閑時間學音樂。
2024-07-11
例句：
He could have taken a spare key.
他原本可以帶上一把備用鑰匙的。
How do you spend your spare time?
你在業余時間干什么？
He's studying music in his spare time.
他在空閑時間學音樂。