first和third的ir读音一样吗（ir的三种发音并举例）

first/fɜːst/和third/θɜːd/的ir读音一样: /ɜː/
It was love at first sight.

他们一见钟情。

The first batch of cakes was burnt.

第一炉蛋糕烤焦了。

The cask savours of the first fill.

酒桶长留初次装酒的香气。

The library boasts first edition of Shakespeare.

这个图书馆以藏有初版的莎士比亚集而自豪。

The plant's first buds will open soon.

这植物的第一批蓓蕾即将开放。
I sleep on the third floor.

我睡在第三层楼。