Old people often try to economize on heating, thus endangering their health.老年人常常想方设法节约用暖气，结果损害了他们的健康。We must economize on fuel.我们必须节约燃料.I'd rather economize on clothes than food.我情愿节衣不愿缩食....
He drills the choir to a high standard.他将合唱团训练到了一个高水平。We replaced hand picks with pneumatic picks and electric drills.我们把手镐换成风镐和电钻.Much of their study and revision was done to the thud of hammers and pneumatic drills...他...
You accused me of inaccuracy yet you can't spell "Middlesex".你说我不够准确，但你自己却不会拼写Middlesex。You accused me of inaccuracy yet you can't spell 'Middlesex'.你说我不够准确，但你自己却不会拼写Middlesex。There is a slight inacc...