Serta
sertum的复数
🗣️ 情景例句
Life has its ups and downs, but it certainly has its rewards.
人生有沉也有浮，但是无论怎样都确有其价值。
They are curious about what I've done with my time.
他们希望知道我一个人在做什么。
I have my hair cut every month.
我每个月都理发。