Alllivingorganisms,regardlessoftheiruniqueidentity,havecertainbiological,chemical,andphysicalcharacteristicsincommon.
A、asaresultofWith lasers scientists can probe many physical processes, such as combustion, once beyond our ken.视野
An oversight 遗漏 (miss, overslaugh) in proofreading often results in printed errors.
One of the greatest breakthroughs for professional women came in 1973 when the field of banking opened up for them.
Thefearofsmallpox,whichterrorizedtheeighteenthcentury,hasnoanalogy(likeness)today.
Thefirstpaperwasmadefromthebarkofthemulberrytree.
