重點講解:
1. touch down 降落;著陸;
Spacecraft Columbia touched down yesterday.
“哥倫比亞”號宇宙飛船昨天著陸 。
2. burn up 燒毀;燒光;
The satellite re-entered the atmosphere and burned up.
衛星重新進入大氣層,燒成灰燼 。
3. in public 公開地;當眾;
Most people have a horror of speaking in public.
大多數人都十分害怕當眾講話 。
4. separate from 使……分離;
South America separated from Africa 200 million years ago.
2億年前南美洲和非洲分離 。