The heart pumps by expending and contracting of muscle.心脏通过收缩肌肉抽取和放出(血液).Not giving or expending freely; sparing.节俭的,节省的不随便施舍或花费的; 节俭的.You are expending your plant.贵公司在扩厂....
She never cheapened herself by lowering her standards.她从不降低标准来贬低自己。When America boycotted the Moscow Olympics it cheapened the medals won...美国抵制莫斯科奥运会的行为使金牌的含金量降低了。Love is a word cheapened by overuse.“爱”这个字眼用得太滥不值钱了。The ...