540. The master’s masterpiece caused a disaster to headmaster.
主人的杰作给校长造成灾难。
disaster [diˈzɑ:stə]
n.灾难，大祸；彻底的失败
– They had led the country into economic disaster. 他们把国家带入了经济灾难中。
headmaster [ˌhedˈmɑ:stə]
n.(中小学)校长
541. After the blast the plastics show everlasting elasticity.
爆炸过后，塑胶显示出永久的弹性。
blast [blɑ:st]
n.爆炸；一阵(疾风等) vt.炸，炸掉
plastic [ˈplæstik]
n.[ pl.]塑料(制品)；信用卡 a.塑料的
everlasting [ˌevəˈlɑ:stiŋ]
adj.永久的，永恒的
– The conflicting interests of producers and consumers will be everlasting. 生产者与消费者之间的利益冲突将永远存在。
elasticity [ˌilæˈstisiti]
n.弹性，伸缩力
-The skin eventually loses its elasticity. 皮肤最终会失去弹性。
542. The pitch made me itch. I pitched the switch into the ditch around the kitchen.
沥青使我发痒。我把开关抛进围绕厨房的水沟里。
pitch [pitʃ]
n.球场；强度；音高；沥青 v.扔；猛然倒下
itch [itʃ]
vi.痒，发痒；渴望 vt.使发痒 n.痒；渴望
– He has an itch for money. 他渴望发财。
ditch [ditʃ]
n.沟，渠道
– The car ran off the road into a ditch. 汽车驶离道路跌进沟中。
kitchen [ˈkitʃin]
n.厨房