The mechanics work hard to keep the helicopters airworthy.机修工努力维持直升机的飞行性能。The airplane is airworthy.这架飞机是适于飞行的.The mechanics work hard to keep the he-licopters airworthy.机修工努力维持直升机的飞行性能。The planes were certified airworth...
一定的茎秆硬度会致使虫卵损伤和脱水,削移幼虫的移动.A certain degree of stem solidness results in damaged and desiccated eggs and impaired larval movements.这个放大的照片显示一只凶猛风蝶幼虫的头部.A magnified shot shows the head of a tiger swallowtail butterfly larv...
我们的供应船就停泊在那儿.Our tender was berthed there.这艘船是2000年开始服役的,它是一艘高性能的浮标供应船.The ship was commissioned in 2000 and is a highly capable buoy tender.二战期间他在海军潜艇供应船普罗特斯号服役.During World War II he served in the Navy aboard the subma...