Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm and many other invertebrates, these excretory structures are called nephridia.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.But regulators with spine are still better th...
They prey on other invertebrates, which they capture with a unique proboscis.它们用独特的吻捕食其它无脊椎动物.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm ...
The kettle is boiling.水壶里的水开了。The vegetables were dropped into the holloware with boiling oil.把菜倒进了滚油锅里.I put the lid on the pot,but the water is boiling so fiercely that it won’t stick on.我把壶盖盖上了,可水沸腾得太猛,盖不住。Cook the pa...
The two policemen were joined by another policeman also carrying a pistol.另一名持枪警察和那两名警察会合了。They saw a squadron of fifteen motorcycle policemen driving in V-formation.他们看见15名警察骑着摩托车排成V字形前行。Policemen jumped over the wall o...
利瓦伊最为人所知之处在于他的工作风格同这里的人迥然不同。Levi is best known for work in a very different mode from what is to be found here.利瓦伊于是做一条, 十条, 百条, 上千条的裤子.Levi makes one more , ten more, hundreds more, thousands more.利瓦伊用结实的布做了一条裤子.Levi ma...
陆上油田an onshore oil field保护油田者有奖.Those who protect the oil field will be rewarded.新油田的含油层结构已经探明.The oil - bearing structure of the new oil field has been verified....
在小齿轮轴轴轭处拆卸万向节扣夹螺栓.Hold the yoke with Wrench 67 Remove the pinion shaft nut and washer.旋转小齿轮轴轭三次或四次.Rotate the pinion yoke three or four times.在传动轴和传动轴轴轭 、 或小齿轮轴轭上作标记, 作安装的参考标志.Mark the propeller shaft and pinion yoke, or...