a sixty-four dollar question
n.最重要的问题, 最后也是最难的问题
热门单词
- abarthrosis
- ablastin
- abmigration
- above ground
- absent treatment
- access routine
- accession to the throne
- account book paper
- accounting information
- accumulator traction
- acetoacetic acid
- acetone cyanohydrin
- acetylphenyl salicylate
- achronychous
- acid stability
- acieral
- acoelous
- acoustic noise
- acquaint oneself with
- acritochromacy
- acrobatic dive
