重点讲解:
1. pop out (让人意外地)突然出现;冷不防冒出;
The window opened and a dog's head popped out.
窗子打开了,冷不防一只狗探出头来 。
2. be exposed to 使受…的影响(或熏陶);使接触;
It is a closed society in the sense that they've not been exposed to many things.
他们接触的事不多,从这一方面来说这是个封闭的社团 。
3. be identical to 完全同样的;相同的;
Her dress is almost identical to mine.
她的连衣裙和我的几乎一模一样 。
4. be unfamiliar with 不熟知的;不了解的;
She speaks no Japanese and is unfamiliar with Japanese culture.
她不会说日语,也不了解日本文化 。
adv. 任意地,随便地,胡乱地