| 释义 |
〔upset〕To make (a heated metal bolt, for example) shorter and thicker by hammering on the end.镦粗，加厚：锤打一端使（如加热过的金属条）变短变厚〔shortening〕The act or process of becoming shorter.变短的动作或过程〔shorten〕To become short or shorter.变短：变短或变得更短〔pachytene〕The third stage of the prophase of meiosis during which the homologous chromosomes become short and thick and divide into four distinct chromatids.粗线期：在同周期的染色体群变短变粗并分裂为四个不同的染色单体过程中减数分裂前期的第三个阶段〔shorten〕To make short or shorter.缩短：使…变短或变得更短〔take〕To reduce in size; make smaller or shorter:收缩：在尺寸上减小；使…变小或为变短： |