synchronous
/ˈsɪŋkrənəs/adjective
1
- existing or occurring at the same time同时存在的, 同时发生的：
glaciations were approximately synchronous in both hemispheres.
冰河作用在两个半球大约是同时发生的。
2
- (of a satellite or its orbit) making or denoting an orbit around the earth or another celestial body in which one revolution is completed in the period taken for the body to rotate about its axis（卫星）同步运行的; （轨道）同步的。
派生词
synchronously
adverb词源
mid 17th cent.: from late Latin synchronus （from Greek sunkhronos, from sun- 'together' + khronos 'time'） + -OUS.