Rarefactions
(rarefaction 的复数) n. 稀薄化, 稀薄\\n[医] 稀疏[状态], 疏松[状态]
🗣️ 情景例句
When I was your age, a girl would never ask a boy out on a date.
当我像你这么大的时候，从来没有女孩子主动约会男孩子的。
The young man had been well aware of her presence at the party.
那个年轻人早已注意到她在宴会上。
On the day before our departure, several bus loads of tourists descended on the town.
我们离开小镇的前一天，镇上来了几辆满载游客的公共汽车。