attach to one another, for safety
For Maria, that meant writing up a proposal for an accelerated math class, roping in 31 other students to take part, and then literally begging the principal to find the funding.
CNN: Student's success defies all odds
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。