“这在此前早该定下了。”—“我们不可能事事都考虑。”
"This should have been decided long before now."—"We can't think of everything."
此前，科学家们注意到污染物随风抵达北极。
Previously, scientists noticed pollutants arriving in the Arctic with the wind.
大法官安东尼·肯尼迪写道，此前的裁决存在缺陷。
Justice Anthony Kennedy wrote that the previous decisions were flawed.
该公司此前曾宣布关闭的计划，但没有说哪些地点将受到影响。
The company had previously announced the planned closures, but had not said which locations would be affected.
其他研究人员此前已经对这种细菌进行了改造，以从有机废物中产生酒精。
Other researchers had previously modified the bacterium to produce alcohol from organic waste.
在对组织样本进行基因分析后，科学家确认这条蛇是一个此前不为人知的物种。
The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
新屋销售激增和每周失业救济人数下降表明，经济可能不像一些分析师此前预期的那样疲软。
A surge in new home sales and a drop in weekly unemployment claims suggest that the economy might not be as weak as some analysts previously thought.
杜克大学的詹姆斯·伯克是一项研究的作者之一，该研究回顾了此前有关认知能力下降的研究。
James Burke of Duke University is one of the authors of a study reviewing previous research on cognitive decline.
美国国家老龄化研究所赞助的一项研究显示，世界最富裕国家的居民可能比此前预计的寿命更长。
Citizens of the world's wealthiest countries may live longer than previously predicted, according to a study sponsored by the National Institute on Aging.
应用推荐