Pachycauls are plants with a disproportionately thick trunk for their height, and few branches. The word is derived from the Greek pachy- meaning thick or stout, and Latin caulis meaning the stem.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。