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...
Dale : I really envy your milestones over the last few years, Don.我真的很羡慕你在过去几年中所建立的丰功伟绩.So the sooner you can achieve these milestones, the more successful you are.所以你越早实现这些里程碑, 你就会越成功.Daniel: Why? Didn't you say th...
The N pole and S pole of two magnets will attract each other.两个磁体的N极和S极互相吸引.The magnolias are in blossom and they attract many swallows.玉兰花开吸引了许多燕子.They should attract foreign investment.他们应吸引外资。Frozen plant of company m...
防爆箱、试样进料泵都装在独立的钢板箱内.The explosion - proof housing , samplefeed pump are installed in a freestanding sheet - steel cabinet.在箱子的正面有试样 进料 泵的电源开关.On the front of the cabinet are on - off switches for sample - feed pump.为了熔化进...
他不定期地来探访我们.He visits us at irregular intervals.村民委员会将村务定期或不定期地向村民公开.Villagers'committees regularly or periodically make public the affairs of the village to the villagers.伦敦州管辖范围内有许多站定期地监测大气污染.There was a number of ...
伤口 化脓 了.The wound gathered [ suppurated ] .肺脓肿是肺部的一种化脓性感染,导致肺实质的破坏.Lung abscess is a suppurative infection of the lung resulting in destruction of lung parenchyma.患处损伤后还可因感染而化脓.After affected part is injured, return but ...
所有国会议员每两年重新选举一次。Every two years all the congressmen stand for re-election.众议院的四百三十五名议员每两年选举一次.The 435 members of the House are elected every two years.他每两年有一次探亲假.He gets home leave every two years....