Lesson 4-Wisdom of Bear Wood I. Word Study 4crumble 小 ①崩溃；瓦解 their crumbling ancestral home. 他们将要倒塌的祖屋 ②使.破碎；使.碎裂 the easiest way to crumble blue cheese 碾碎蓝奶酪最简单的方法 ③（组织，关系，结构）瓦解；分裂 The party's fragile unity began to crumble. 该党脆弱的联合开始瓦解了。 (英)（由面粉和脂肪混合制成，烹调时作为水果浇头的）酥皮； (特定水果加酥皮制成的)布丁 c派生：crumbly adj.易碎的
W B T L E Lesson 4 - Wisdom of Bear Wood I. Word Study 4. crumble v. ①崩溃；瓦解 their crumbling ancestral home. 他们将要倒塌的祖屋 ②使.破碎；使.碎裂 the easiest way to crumble blue cheese 碾碎蓝奶酪最简单的方法 ③(组织，关系，结构)瓦解；分裂 The party’s fragile unity began to crumble. 该党脆弱的联合开始瓦解了。 n.(英)（由面粉和脂肪混合制成，烹调时作为水果浇头的）酥皮； （特定水果加酥皮制成的）布丁 派生： crumbly adj. 易碎的
Lesson 4-Wisdom of Bear Wood I Word Study v.decay ①（有机物质）腐坏，腐败 the odor of decaying fish 腐败的鱼臭味 ②使腐坏，腐烂 The fungus will decay soft timber. 菌类会使软木材腐烂。 ③（建筑，地区）坍塌失修，坏损 Facilities decay when money is not spent on refurbishment. 因为没有花钱整修，所以设施都受损了。 ④衰减，衰微 The moral authority of the party was decaying. 该党的道德权威已经日渐衰微。 欧
W B T L E Lesson 4 - Wisdom of Bear Wood I. Word Study 5. decay v. ① (有机物质)腐坏，腐败 the odor of decaying fish 腐败的鱼臭味 ②使腐坏，腐烂 The fungus will decay soft timber. 菌类会使软木材腐烂。 ③ （建筑，地区）坍塌失修，坏损 Facilities decay when money is not spent on refurbishment. 因为没有花钱整修，所以设施都受损了。 ④ 衰减，衰微 The moral authority of the party was decaying . 该党的道德权威已经日渐衰微
Lesson 4-Wisdom of Bear Wood I。 Word Study n.decay ①腐败，腐坏，腐烂 Hard wood is more resistant to decay than softwood. 硬木材比软木材耐腐。 ②破败 The old barn rapidly fell into decay. 老谷仓很快破败。 ③腐败物，创面 Fluoride heals small spots of decay. 氟化物可以治愈小创面。 ④衰退，衰减，衰微 the problems of urban decay 。城市衰减的诸多问题
W B T L E Lesson 4 - Wisdom of Bear Wood I. Word Study 5. decay n. ①腐败，腐坏，腐烂 Hard wood is more resistant to decay than softwood. 硬木材比软木材耐腐。 ② 破败 The old barn rapidly fell into decay . 老谷仓很快破败。 ③ 腐败物，创面 Fluoride heals small spots of decay. 氟化物可以治愈小创面。 ④衰退，衰减，衰微 the problems of urban decay 城市衰减的诸多问题
Lesson 4-Wisdom of Bear Wood I. Word Study 6 decrease 小 ①减少，减小，减弱，降低 The population of the area has decreased radically 该地区的人口急速下降。 ②使减少，使减小，使减弱，使降低 The aisles were decreased in height. 通道的高度减低了。 WBTLE
W B T L E Lesson 4 - Wisdom of Bear Wood I. Word Study 6. decrease v. ① 减少，减小，减弱，降低 The population of the area has decreased radically. 该地区的人口急速下降。 ②使减少，使减小，使减弱，使降低 The aisles were decreased in height. 通道的高度减低了
Lesson 4-Wisdom of Bear Wood I. Word Study 6 decrease n. ①减小，减少 a decrease in births 出生人口减少 ②减小（或减少）过程 The rate of decrease became greater. 减慢的速率加大了。 Phrases:on the decrease在衰减中；在减少中 派生：decreasing adj.decreasingly adv. WBTLE BACK
W B T L E Lesson 4 - Wisdom of Bear Wood I. Word Study 6. decrease n. ①减小，减少 a decrease in births 出生人口减少 ②减小（或减少）过程 The rate of decrease became greater. 减慢的速率加大了。 Phrases: on the decrease 在衰减中；在减少中 派生： decreasing adj. decreasingly adv