num.第七十九
He had a shutout until the ninth inning. 他封锁对方打击直到第九局。
I don't think he looks his age of seventy. 我感到他看起来不像70岁的人。
I pay him seventy dollars a week. 我一星期付给他70美元。
He took the ninth position in his class of forty. 他在40 个人的班级里排在第九名。
Seventy miles an hour is pretty good going. 每小时七十哩是相当快的速度。
One ninth of the products have defects. 九分之一的产品有毛病。
