單字解析
1. asteroid n. 小行星  
例:There are many asteroids that revolve round the sun.
(有許多小行星繞著太陽運轉。)
2. determine vt. 判定; 決定
determined a. 下定決心的
determine + that子句  判定/決定……
be determined to + 原形動詞  決心……
例:The jury determined that the man was innocent.
(陪審團判定那名男子無罪。)
Nick is determined to play in the NBA one day.
(尼克決心有一天要打美國職籃。)
3. be in danger of...    面臨……的危險
例:This type of animal is in danger of being extinct.
(這類動物有瀕臨絕種的危險。)
4. strike vt. 敲, 擊; 擊中, 撞   
動詞三態: strike、struck 、struck。
*本文struck為過去分詞形態。
例:The monk struck the gong every hour.
(那個和尚每個鐘頭敲一次鑼。)
*gong n. 鑼
The tree was struck by lightning.
(那棵樹被閃電擊中了。)
5. discover vt. 發現   
discovery n. 發現 (物)
make a/the discovery  完成一項發現
例:Fortunately, the secretary discovered the mistake before the letter was sent.
(幸好,那位秘書在該信函寄出前就發現了這個錯誤。)
Scientists have made wonderful discoveries in the last decade.
(過去十年來,科學家已經完成了多項驚人的發現。)
6. straight adv. 筆直地  
例:The drunkard couldn't walk straight.
(那個醉漢無法直線而行。)
7. launch vt. 發射
例:The terrorists launched a rocket bomb at the Pentagon.
(恐怖份子向美國的五角大廈發射了一枚火箭飛彈。)
*the Pentagon n. 五角大廈, 美國國防部
8. rocket n. 火箭   
9. course n. 所經之路, 軌道
off (one's) course  偏離軌道/航線
on (one's) course  沿著軌道/航線
in due course  假以時日, 在適當的時候
例:The boat went off course during the storm.
(那艘船在暴風雨中偏離了航線。)
If you work hard, you'll be successful in due course.
(你若用功的話,假以時日必會成功。)
10. miss vt. 錯過; 想念
例:I overslept and missed the train this morning.
(今早我睡過頭而錯過了火車。)
Christina misses her friends in Canada.
(克莉絲汀娜想念她在加拿大的朋友。)
11. So that it will miss Earth, right?
= They can launch rockets to push the rock off its course so that it will miss Earth, right?
他們可以發射火箭將石塊推離軌道, 這樣一來它就不會撞到地球了, 對不對?
*此處so that為副詞連接詞, 表『這樣一來』。
12. destroy vt. 摧毀  
例:The fire destroyed everything he owned.
(那場大火摧毀了他擁有的一切。)
13. nuclear a. 核子的   
例:If there's a nuclear war, that will be the end of the world.
(如果發生核戰,那將會是世界末日。)
14. missile n. 飛彈
15. weapon n. 武器
16. instead of + 動名詞/名詞   代替……, 而非……

EX english 數位英語學院