Slipcase
n. 书套
✅ 同义词
🗣️ 情景例句
And without their energy and stamina,
没有他们的体力和耐力，
An idle youth,a needy age.
少壮不努力，老大徒伤悲。
Which school were you at last year?
你去年在哪所学校读书？