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...
Kato was fully aware of the provenance of these treasures.加藤完全清楚这些珍宝的来源。All the furniture is of English provenance.所有这些家具都是英国货。of doubtful provenance出处可疑的These differences are not always as pronounced as among hazelnut v...
投资者预料会出现灾难，正在储备大量现金。Investors were storing up a lot of cash in anticipation of disaster.他们开始储备大量食物。They began to lay in extensive stores of food supplies.当局已经敦促人们储备燃料。The authorities have urged people to stock up on fuel...
他们说，当前的征兵体系应当逐步废除。They said the present system of military conscription should be phased out.要废除农村地区的种族隔离可能会更困难一些。Desegregation may be harder to enforce in rural areas.即使修正案获得通过，也有可能通过司法途径被废除。Even if the amendment is pas...