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...
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...
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...