是thirty-ninthIn the thirty-ninth year of his reign Asa was afflicted with a disease in his feet.亚撒作王三十九年，他脚上有病，而且甚重。

A thirty-nine-year-old competitor collapsed half-way through the marathon.一位39岁的参赛者在马拉松赛跑的中途瘫倒了。The temperature here sometimes goes up to thirty-nine degrees centigrade.这里有时候也能热到39度。My temperature is thirty-nine degrees.我的体温是三十九度。Possibly about thirty-nine.大约有三十九个。Jack briskly until they came to Thirty-ninestreet.他轻快地走在杰克身边，一直走到第三十九条街。