“U-shaped valley”概念、定义、翻译-科学时代

单词	U-shaped valley
释义	地理学词汇手册 U-shaped valley U形谷
随便看	direction ratio direction right on personnel direction selection direction-sense movement direction test direction theodolite directive directive directive directive aerial directive breeding directive distribution directive effect directive function directive interview directive leadership directiveness directive psychotherapy directive query directive standard directive standard directive use directivity directivity directivity

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。