是他们的

of theirs───他们的

sits over───坐过去一点；坐在…的上手

their───pron.他们的，她们的；它们的；n.(Their)人名；(英)蒂尔；(芬、瑞典)泰尔

to speir───长矛

to sweir───是件毛衣。

miss the mark───没打中目标；没达到目的

chaos theory───混沌理论

Be aware that pitfalls await for any couple, and that he/she can cheat at any point in time and space because, really at the end of the day, its their choice.───要认识到，每一对恋人都可能遇到意想不到的问题或困难，他或者她可以在任何时间、任何地方说谎，因为说到底那是他们的选择。

Its their first time at a Chinese opera.───这是他们第一次看中国戏剧。

Its their way of recycling while making a profit.───这是他们可以创造好处的采取要领。

This these plants are valued for its their colorful bracts which look like leaves.───这些植物因它像叶子似的的多彩花苞而受人喜爱。

Theories and methods of geostatistics and its their application in insect ecology───地质统计学理论与方法及其在昆虫生态学中的应用

Because its not my home, its their───因为这不是我的家，我只是

The protection mechanism of azolesas well its their application rsults and challenge in future was investigated.

They say its their heritage and they're very emotional about it.

The second stage includes:intense , stably fault depressed filling substage and dormant rift filling substage its their sedimentary rate were decreases progressively.

The audience held its / their breath as the acrobat walked along the tightrope.

The government is/are expected to announce its/their tax proposals today.

The prosecution has / have failed to prove its / their case.

Execute the law after personnel is registered to its, their demobilization.