1.brittle adj. 易碎的,脆弱的

　　[舉一反三] 同

　　breakable, fragile

　　[雙語語境] Sometimes, the life of human being is as brittle as thin glass. 有的時候人的生命如玻璃一樣容易破碎.

　　[串聯記憶] The two boys quarreled so much that their friendship became rather brittle.

　　A. elastic B.strong C. fragile D. sturdy

　　2.bucket n.水桶,吊桶

　　[舉一反三] 派

　　bucketful n. 一桶,一滿桶

　　[串聯記憶] The two sisters went up the hill and fetched a bucket of water.

　　A.cup B.basin C.pail D.bag

　　3.bulk n.1.體積,容積||2.主體,大批,大量,大塊

　　[雙語語境]Its not their weight that makes these sacks hard to carry, its their bulk.這些袋子難以搬運,倒不是因為重而是體積大.|| The bulk of the work has already been done. 大部分工作已經完成.

　　4.bulletin n. 公報,公告,告示

　　[串聯記憶]Here is the latest bulletin about the presidents health.

　　A. conference B.report C film D.reel

　　5.bureau n. 署,局,司,處

　　[舉一反三] 同

　　branch, department, office ,section,service

　　[雙語語境]Federal Bureau of Investigation. 聯邦調查局

　　[串聯記憶]The weather_________ makes daily reports on weather conditions.

　　A. apartment B.bureau C. bullet D. jail

　　1.brittle adj. 易碎的,脆弱的

　　[舉一反三] 同

　　breakable, fragile

　　[雙語語境] Sometimes, the life of human being is as brittle as thin glass. 有的時候人的生命如玻璃一樣容易破碎.

　　[串聯記憶] The two boys quarreled so much that their friendship became rather brittle.

　　A. elastic B.strong C. fragile D. sturdy

　　2.bucket n.水桶,吊桶

　　[舉一反三] 派

　　bucketful n. 一桶,一滿桶

　　[串聯記憶] The two sisters went up the hill and fetched a bucket of water.

　　A.cup B.basin C.pail D.bag

　　3.bulk n.1.體積,容積||2.主體,大批,大量,大塊

　　[雙語語境]Its not their weight that makes these sacks hard to carry, its their bulk.這些袋子難以搬運,倒不是因為重而是體積大.|| The bulk of the work has already been done. 大部分工作已經完成.

　　4.bulletin n. 公報,公告,告示

　　[串聯記憶]Here is the latest bulletin about the presidents health.

　　A. conference B.report C film D.reel

　　5.bureau n. 署,局,司,處

　　[舉一反三] 同

　　branch, department, office ,section,service

　　[雙語語境]Federal Bureau of Investigation. 聯邦調查局

　　[串聯記憶]The weather_________ makes daily reports on weather conditions.

　　A. apartment B.bureau C. bullet D. jail