?由
... make people feel scared 使人们感到恐惧 be formed with 由 …… 组成 run back to school 跑回学校 ...
?由…组成
... be formed of由…组成 form upon按照…构成 be formed with由…组成 ...
由…组成
compose of??/??be comprised of??/??be made up to
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。