num.第八十九
He had a shutout until the ninth inning. 他封锁对方打击直到第九局。
He toiled on till he was past eighty. 他一直辛苦工作直到年过八十。
He took the ninth position in his class of forty. 他在40 个人的班级里排在第九名。
One ninth of the products have defects. 九分之一的产品有毛病。
She had an apartment on the ninth floor. 她在九层楼上有一套房子。
What did the suspect do on July ninth? 嫌疑犯在七月九日做了什么事情？
