此心轴溶化之后, 在推进剂表面上留有一薄层的合金.After the mandrel is melted, a thin layer of alloy remains on the propellant surface.注意.内剥胶时, 心轴必须顺时针旋转.CAUTION For internal skiving, the spindle must rotate clockwise.注意.外剥胶时, 心轴必须逆时针旋转.CAUTION ...
Beat it before it's too late.趁早滚开。The dry grass caught fire, but we beat it out.干草着火了, 但我们将它扑灭了.Beat it until the dough is slightly elastic.一直搅打，直至生面团略有弹性。...
The prisoner’s limbs flailed violently because of the pain.那囚犯因为疼痛,四肢剧烈地抖动着。He flailed about madly with a baseball bat.他疯狂地挥动球棒.He gave a choked cry, flailed his arms wildly for a moment, and then went over the edge.他闷哼了...
这匹狼用爪子挠着树，嚎叫了整晚。The wolf clawed at the tree and howled the whole night.警察伸手抚摸那只猎狼犬。The policeman reached down and petted the wolfhound.悄无声息的群狼会跟踪并包围他们。The silent wolves would track and circle them....
赤杨属于桦木科.Alder trees belong to the birch family.而与赤杨共生的微生物是放线菌.The microorganisms involved in symbiosis with the alder tree are actinomycetes of the genus Frankia.这些幽静去处得天独厚,垂柳, 赤杨及其他抽枝发芽较早的树木长得非常茂盛.The weeping - willow ,...