341.migratory
美 [?ma?ɡr?t??ri]
adj.移居的，迁移的
Many migratory birds visit this lake annually.
许多候鸟每年到这个湖上作短期逗留。
342.vehemence
'vi??m(?)ns
n.热烈，强烈，猛烈
But the real reason was the vehemence of China's reaction.
但是真正的原因是中国激烈的反应。
343.opulence
美 /'ɑpj?l?ns/
n.富裕
He owes his opulence to his hard work.
他的财富乃辛勤工作得来。
344.promulgate
美 [?prɑ?mlɡe?t]
vt.宣布；公布
The shipping industry promulgated a voluntary code.
航运业公布了一条自律守则。
345.relic
美 [?rel?k]
n.遗物，遗迹，纪念物
This is a precious historical relic.
这可是珍贵的历史文物。
346.traitor
美 [?tre?t?r]
n.叛徒
He was seen as a traitor to the socialist cause.
他被视为社会主义事业的叛徒。
347.scour
美 [?ska??r]
n.擦，冲刷；洗涤剂
I gave the dirty floor a good scour.
我把脏地板好好擦了一下。
348.span
美 [sp?n]
n.持续时间;范围;包括的种类;(桥或拱的)墩距，跨距，跨度
v.持续;贯穿;包括(广大地区);涵盖(多项内容);横跨;跨越
His professional career spanned 16 years
他的职业生涯持续了16年。
His ability to absorb information was astonishing, but his concentration span was short.
他吸收信息的能力令人吃惊，但是他的注意力持续时间很短。
The batteries had a life span of six hours
这些电池的寿命为6小时。
349.surge
美 [s??rd?]
v.(情感)涌起；（人群）蜂拥；（波涛）汹涌；（物价）飞涨
The crowds surge out of the sports stadium.
观众从运动场涌出。
350.tamp
美 [t?mp]
v.捣实;压实;塞紧
n.捣棒，夯（hang）
Then I tamp down the soil with a tamp.
然后我用耙子(捣棒、夯具)的背将土壤拍实。
Philpott tamped a wad of tobacco into his pipe.
菲尔波特往烟斗里塞了一卷碎烟叶。