音标:[spəu'rædik; spɔ:-] ;
sporadicity
n.
sporadic的变形
sporadic
[spəu'rædik; spɔ:-]
adj.
不时发生的,偶尔发生的,断断续续的
孤立发生的,个别的
(疾病等)偶发的,非流行性的
(植物等)分散的,非集中的[亦作 sporadical]

MAXIMUS: 1)Archers, three weeks from now I will be harvesting my crops. Imagine where you will be, and it will be so. Hold the line, stay with me, if you find yourself alone riding in green fields wit

发表于:2018-11-28 / 阅读(257) / 评论(0) 分类 疯狂英语2001年

Ladybugs love to snack and feast on other pests, so people began importing in Asian species called hollyqueen ladybugs as natural pest control. But in their new environments the hollyqueens wiped out native ladybugs and they have their parasites to t

发表于:2018-12-24 / 阅读(48) / 评论(0) 分类 Scientific American(五)月

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By Alisha Ryu Mogadishu 05 May 2007 The new mayor of Somalia's troubled capital says he has implemented tough measures to help secure Mogadishu and is appealing for international help to restore badly-needed services. Mohamed Dheere spoke to VOA Corr

发表于:2019-01-31 / 阅读(91) / 评论(0) 分类 2007年VOA标准英语(五月)

Palladium雅典娜的神像PalladiumWhen Ilus had first built his new seat,the city of Troy, he prayed Zeus to show some sign of blessing for it. His prayer was heard,and a wooden image of Pallas- A-thena fell from heaven to within the walls of the c

发表于:2019-02-02 / 阅读(47) / 评论(0) 分类 英语美文