一种棘齿装置把线从线轴转到梭心上。A ratchet mechanism transfers the thread from spool to bobbin.在打下物质繁荣的基础后, 梭伦便着手制定宪法.Having laid the foundations of material prosperity, Solon turned to the constitution.梭罗认为人是自然不可分割的一部分。Thoreau viewed m...
Viruses tend to be good at surviving when a computer system crashes.计算机病毒在系统崩溃后往往依然存在。This is a new kind of viruses in the computer.这是一种新的电脑病毒.All bacteria are larger than viruses.所有细菌都比病毒大....
概述了青金石的产地来源和使用历史.The history of its provenance and application is summarized in this paper.他们是以顺时钟的方向环绕着青金石.They are circling the Lapis Lazuli stone in clockwise direction.他们是以顺时钟的方向环绕著青金石.They are circling the Lazuli st...