“primary constriction”概念、定义、翻译-科学时代

单词	primary constriction
释义	畜牧与兽医词汇手册 primary constriction 主缢痕，初级缢痕
随便看	offspring offspring offspring distribution off-square offstage offstage cue offstage manoeuvring off state off-state current off-state voltage off-state voltage off-stretcher off-system unit of measurement offtake offtake offtake offtake offtake point（流化床炉） off-target attack off-task behaviour off the air off-the-book off-the-book loan off-the-book payment off-the-book property

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

primary constriction