thirtieth
US
UK thirtieth, 30th adj: (30th in a series or list)
SC 第三十个的 dì sān shí gè de
Owen was the thirtieth student to graduate with a GPA of 4.0.
thirtieth, 30th, the thirtieth, the 30th n: (in a series, list: 30th item, person)
SC 第三十人
SC 第三十个
The country was rated as the thirtieth wealthiest this year.
今年，该国在世界最富裕国家中名列第三十。
thirtieth, 30th adv: (race, competition: in 30th place)
SC 位于第三十地 wèi yú dì sān shí de
Jamal finished thirtieth in the 5k race.
thirtieth, 30th n: informal (30th birthday) (非正式用语)
SC 三十岁生日 sān shí suì shēng rì
Ray celebrated his thirtieth in Las Vegas.
the thirtieth, the 30th n: (thirtieth day of the month) (日期)
SC 30 日，30 号
My next doctor's appointment is on the thirtieth.
the thirtieth of, 30th, 30th of, the 30th, the 30th of n: (thirtieth day of specified month) (日期)
SC 30 日，30 号
Today is the thirtieth of June; tomorrow it will be July.
thirtieth birthday n: (occasion of turning 30)
SC 三十岁生日 sān shí suì shēng rì
I bought myself a car for my thirtieth birthday.