重點講解:
1. prevent sb. from doing sth. 阻止;制止;阻礙;
例句:Sound-insulating floors, partitions, or enclosures are used to confine the noise within a room or to prevent noise from entering a room.
現在人們采用隔聲樓板、間壁或圍護結構把噪音限制在房間內部或不讓噪音傳人房間 。
2. be responsible for 負有責任的;應承擔責任的;
例句:His critics maintain that he's responsible for many of Algeria's ills.
他的批評者們堅持認為他應該為阿爾及利亞所面臨的許多難題負責任 。
3. a range of (同類事物的)一系列,一連串;
例句:The two men discussed a range of issues.
那兩個人討論了一系列問題 。
4. come from 來自;始于;
例句:Chocolate comes from the cacao tree.
巧克力出自可可樹 。
n. 避免