The flexible diaphragm is connected to a plat cantilever - calibrated spring.柔韧的膜片一扁平的悬臂校正弹簧相连.Reflection of a beam of light on the diaphragm falls on a phototransistor.经膜片反射的光束照射到光敏管上.The diaphragm draws air into the lu...
他们怎么可以因为我块头大,就要我当捕手?How can they make me catcher just because I am big?捕手朝他的球鞋吐痰, 投手则用憎恶的眼光瞪着他.The catcher spat onto Robinson's shoes , and the pitcher eyed him hatefully.守门员,捕手比赛中位置在三柱门之后的板球手.The cricket player pos...
在百泉山上的岩石里,有兵蚁出没.There are soldier ants in the cave of the Spring mountain.本文主要讨论采用不同提取方法所得家白蚁兵蚁的外分泌化合物的组成及相对含量的变化.To investigate the exocrine compounds of coptotermes formosanus dinergate exocrine concentrate was obtaine...
She was standing by a pool, about to dive in.她站在水池旁边，正要往里跳。He drank thirstily from the pool under the rock.他饥渴地喝着岩石下水潭中的水。People are still hanging out drinking beer, maybe shooting some pool.人们仍聚在那里喝啤酒，可能还会打会儿台球。...
较年长的母亲往往对身为人母的乐趣过于理想化。Older mothers tend to be too idealistic about the pleasures of motherhood.法官认为他已经被那些年长的孩子们带坏了。The judge thought he'd been led astray by older children.较年长组别的男子men in the older age group...