1、painstaking
读音：英 [ˈpeɪnzteɪkɪŋ] 美 [ˈpeɪnzteɪkɪŋ]
释义：需细心的；辛苦的；需专注的。
例句：
The event had been planned with painstaking attention to detail.
这次活动的细节是经过精心计划的。
2、abiogenesis
读音：英[ˌeɪbaɪəʊ'dʒenɪsɪs] 美[ˌeɪbaɪoʊ'dʒenɪsɪs]
释义：自然发生，自然发生说; 无生源说。
例句：
As the hemodynamic factors have great relationship with aneurismal abiogenesis, it became the hotspot of aneurismal study in the world in recent years.
在各种影响因素中，血液动力学因素与该病的自然发生史密切相关，因而近年来成为国内外研究的热点。
3、paperweight
读音：英[ˈpeɪpəweɪt] 美[ˈpeɪpərweɪt]
释义：镇纸
例句：
The room was darkening. He turned over towards the light and lay gazing into the glass paperweight.
屋子里开始发暗，他转身凑着光亮,盯着玻璃镇纸看。
4、necessarily
读音：
英[ˌnesəˈserəli] 美[ˌnesəˈserəli]
释义：必要地；不可避免地。
例句：
The unemployment figures are not necessarily related to the rise in prices.
失业的数目同物价的上涨并没有必然的联系.
5、effectively
读音：英[ɪˈfektɪvli] 美[ɪˈfektɪvli]
释义：有效地;；实际上，事实上。
例句：
The newspapers were effectively muzzled by strict censorship laws.
严厉的新闻审查法有效地使那些报纸沉默了下来.