Remember to be tactful when expressing a personal judgement.记住表达个人看法要婉转.I decided it wouldn't be tactful to order another beer.我想了想，觉得再要啤酒就有点过分了。He had been extremely tactful in dealing with the financial question.....
This is a pity, because noise abatement really is a good cause, and it is likely to be discredited if it gets to be associated with bad science.这是件憾事, 因为减少噪音实在是一项美好的事业; 如果把它与贫乏的科学知识搅在一起,那么这种美好的事业有可能使人生疑.Fractures of the ...
One laboratory stock of Drosophila melanogaster has very reduced or vestigial wings.果蝇的一种实验品系,翅膀缩小,称为残翅.THREE NEW SPECIES OF NICRICOLOR SPECIES - GROUP OF DROSOPHILA ( LORDIPHOSA ) ( DIPTERA: DROSOPHILIDAE )黑色拱背果蝇种组三新种记述...