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...
Draw the basic outlines in black felt-tip pen (see fig. 4).用黑色毡头笔画出基本轮廓(见图4)。They agreed on the broad outlines of a wage settlement.他们就工资解决的办法达成框架协议.They agreed as to the grand outlines, but quibbled over particulars.他们对...