thirty

音標發(fā)音

I know that you'vebeen studying chimpanzees for thirty years now.
我知道你研究黑猩猩至今已有30年了。
Thirty seconds later she reappeared and beckoned them forward.
30秒後她又出現(xiàn)了，示意他們往前來。
The price of a single ticket is thirty-nine pounds.
單程票的價格是39英鎊。
By 1973 the government deficit equalled thirty per cent of GNP.
到1973年，政府財政赤字相儅於國民生産縂值的30%。
He trapped Conn in a corner and pummeled him ferociously for thirty seconds.
他將康恩逼進一個角落，用拳頭暴打了他半分鍾。

Thirty is the number 30. 30
When you talk about the thirties, you are referring to numbers between 30 and 39. For example, if you are in your thirties, you are aged between 30 and 39. If the temperature is in the thirties, the temperature is between 30 and 39 degrees.
The thirties is the decade between 1930 and 1939. 2030