abbr. master attitude reference system 主要态度参考系统;midair retrieval system 中空恢复系统;military affiliated radio system 军用附属无线电系统;mathematics anxiety rating scale 数学焦虑等级刻度;
n. 毁坏，损坏，玷污( mar的名词复数 );
v. 毁坏，损坏，玷污( mar的第三人称单数 );
They lived by hunting and by gathering roots, nuts and wild fruits.
他们靠狩猎和采集根茎、坚果和野果为生。
She also brought me into touch with everything that could be felt--- soil, wood, silk. As I look back upon those years, I am struck by Annie's wisdom.
她还使我接触到一切可以触摸到的东西--土壤、木头、丝绸等。
Among the different types of bee, it is the honey bee that has most interested scientists because of the language they use to communicate with each other.