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(yè)余時(shí)間干什么？
He's studying music in his spare time.
他在空閑時(shí)間學(xué)音樂。
歡迎來到瑞文網(wǎng)！
歡迎來到瑞文網(wǎng)！
2021-09-11
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(yè)余時(shí)間干什么？
He's studying music in his spare time.
他在空閑時(shí)間學(xué)音樂。