It's definitely abutting the aorta and the left kidney.

毗邻腹主动脉和左肾。

Most shield erosion occurs on the posterior side abutting the retro-boosters.

绝大多数被腐蚀的防护罩都是在后端，紧靠倒助推器的部分。

It was not, in appearance, so desirable a habitation as his old quarters: being a mean and badly-furnished apartment, of very limited size; lighted only by one small window in the shelving roof, and abutting on a close and dirty lane.

从表面上看，这里不前的住所那样令人向往：这是间陋、陈设陋的公寓，面积非常有限；只有搁架屋顶上的窗户采光，紧靠条又近又脏的巷。

A tiny part of the masonry from the  gate can still be seen abutting the old Cottage restaurant where you  will see a descriptive plaque.

仍然可看到大门的部分砖石，毗邻老农舍餐厅，在那里您会看到块描述性牌匾。

If you've got multiple paragraphs talking about the same thing, they should all be collapsed into a single paragraph or at least the paragraphs should be abutting one another, should be close together.

如果你有多个段落谈论同件事，它们应该全部折叠成个段落，或者至少这些段落应该彼此相邻，应该靠得很近。

And so he went to the abutting landowners and made a really sweet deal for them.

于是去找了相邻的地主，为们谈成了笔非常划算的交易。