propagator
noun [ C ] biology specialized uk/ˈprɒp.ə.ɡeɪ.tər/ us/ˈprɑː.pə.ɡeɪ.t̬ɚ/
（供种子或幼苗生长用的）培育箱
a box in which seeds or young plants are grown, that has a transparent cover and is sometimes heated
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。