Learner's definition of THIRD
always used before a noun
1
a : occupying the number three position in a series第三的 -
We sat in the third row.我们坐在第三排。
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the third house on the left左边的第三栋房子
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the author's third novel这位作者的第三部小说
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C is the third letter in the alphabet.*C是字母表中的第三个字母。
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That's the third time I've seen him today.那是我今天第三次见到他。
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The office is on the third floor.办公室在三楼。
b : next to the second in importance or rank次于第二的；第三位的 2
: equal in size, value, amount, etc., to one third of something（尺寸、价值、数量等）三分之一的 3
: used to refer to the third forward gear or speed of a vehicle（车辆）第三挡的
the third time is the charm
(US) or British third time lucky
— used to say that two efforts at something have already failed but perhaps the third will be successful（但愿）第三次会交好运
2 third /ˈθɚd/ noun
plural thirds
plural thirds
Learner's definition of THIRD
1
[singular] : something that is third : the third thing in a series第三；第三位 2
[count] : one of three equal parts of something三分之一 -
a third of the pie馅饼的三分之一
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Rent costs two-thirds of my paycheck.租金花掉我薪水的三分之二。
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She divided the cookie into thirds.她把曲奇平均分成三份。
3
[noncount] : the third forward gear or speed of a vehicle（车辆的）第三挡 5
[count] British : an undergraduate degree of the lowest level from a British university英国大学本科的）三等成绩学位