while引导的两个并列的转折关系从句直到memory结束，与随后的主句构 成对比，从而对比了对待两类词汇的不同方式。whl©作为连词意思有：与此同 时，然而，虽然等。本句中while可译为然而”。 8.You will find concentrating on active and useful words the most effective route to enlarging your vocabulary. (1)concentrate:v.give all your attention to what you are doing e.g.Mike tried his best to concentrate on his homework. ©g我发现刚睡醒后很难集中注意力。 I find it difficult to concentrate soon after waking up. Pattem:concentrate on sth/doing sth:focus attention on sth/doing sth (2)effective:adj有效的 e.g.The key to effective command is to understand that command is both an art and a science (3)route:n.路线 e.g.He traced our route on the map 他在地图上标出我们走的路线。 (4)enlarge:v.make and become larger扩大，放大 e.g.I planned to enlarge this photograph. 我计划放大这张照片。 en:encourage,endanger,endear broaden,widen,sharpen 9.watch out for watch out for:.look out for,be on(one's)against密t切注意 e.g.What problems should I watch out for when buying an old house? 10.In leaming English,you must pay attention not only to the meaning of a word,but also to the way native speakers use it in their daily lives. (1)Translate the sentence into Chinese. 在学习英语时，你不仅必须注意词义，还必须注意以英语为母语的人在日常 生活中如何使用它。 (2)the structure of the sentence while 引导的两个并列的转折关系从句直到 memory 结束，与随后的主句构 成对比，从而对比了对待两类词汇的不同方式。while 作为连词意思有：与此同 时，然而，虽然等。本句中 while 可译为“然而”。 8. You will find concentrating on active and useful words the most effective route to enlarging your vocabulary. (1) concentrate: v. give all your attention to what you are doing e.g. Mike tried his best to concentrate on his homework. e.g.我发现刚睡醒后很难集中注意力。 I find it difficult to concentrate soon after waking up. Pattern: concentrate on sth/doing sth: focus attention on sth/doing sth (2) effective: adj. 有效的 e.g. The key to effective command is to understand that command is both an art and a science. (3) route: n. 路线 e.g. He traced our route on the map. 他在地图上标出我们走的路线。 (4) enlarge: v. make and become larger 扩大，放大 e.g. I planned to enlarge this photograph. 我计划放大这张照片。 en: encourage, endanger, endear broaden, widen, sharpen 9. watch out for watch out for: look out for; be on (one’s) against 密切注意 e.g. What problems should I watch out for when buying an old house? 10. In learning English, you must pay attention not only to the meaning of a word, but also to the way native speakers use it in their daily lives. (1) Translate the sentence into Chinese. 在学习英语时，你不仅必须注意词义，还必须注意以英语为母语的人在日常 生活中如何使用它。 (2) the structure of the sentence