She's extremely picky about choosing a boyfriend, I'm afraid she'll become an old maid and never get married.

No, no.i'm an old maid schoolteacher!

没有，我只不过是个教师，老太太了！

" Mother is not an old maid," said his virgin sister with pinched lips.

“妈妈可不是老处女，”身为处女的妹妹噘着嘴说。

As for me, I've been an old maid all these years and should have some fun too.

我呢，当了这么些年老姑娘，也该痛快几天。

You're not gonna die an old maid, maybe an old spinster cook.

你不会变成老姑婆，可能会变成老厨娘。

The eldest had remained an old maid and had no nest nor young ones.

它们中间一只最老的麻雀现在是一个老姑娘，它既没有窠，也没有孩子。

I'll try my prentice hand as an old maid in your family.

我开始在您家里学习老处女的行当。

Am I ever gonna find a boyfriend again? I gonna die an old maid.

我再也交不到男朋友了，我会变成老姑婆。

In a tiny village lived an old maid.

在一个村子里住着一个还没出嫁的老太太。

To keep from being an old maid.

以防变成老处女。

No single theory can go conqueringly. We should adopt the attitude that analyzing queries meticulously, constructing systems rationally, with a view of contributing to the judicial practice.

任何单一理论都不可能包打天下，我们应当采取的态度是细致地分析质疑，理性的建构体系，以期在司法实践中尽绵薄之力。

It has no patagium, but glides from the treetops by flattening its body out to maximizesurface area.

它没有翼膜，但可以通过伸直身体来扩大体表面积跳出去在树顶间滑翔。

The gecko has a patagium that allows it to parachute or glide down from its treetop home.

这种壁虎拥有翼膜，可以让自己从树顶的巢降落或滑翔下去。

The squirrel can steer somewhat by moving its wrists and adjusting the tautness of its patagium.

飞鼠可以通过活动腕关节及调整翼膜的松紧度来稍微改变滑翔方向。

In this paper the dynamic vortex flow visualization for oscillating delta-wing models with large amplitude and for oscillating canard was summarized. Mea surement of Complex Flows produced by an Oscillating Canard

本文绘出不同后掠角的三角翼模型在低速风洞中大幅度俯仰运动时和带振动鸭翼飞机模型主翼面上的动态流动显示；振动鸭翼复杂流场测量

Space truss with 25 bars and 72 bars, a box-wing with 18 elements and a delta-wing with 133 elements are calculated and the results obtained are satisfactory.

本文计算了25杆和72杆空间桁架，一个盒段形机翼，一个133元三角翼。

An investigation of the effect of the nonuniform field feature around a delta-wing on the separated vortex breakdown

三角翼非均匀流场特性对其分离涡破裂影响的研究

Numerical Research on Roll and Sideslip Coupling Motions About a Slender Delta-wing

细长三角翼滚转/侧滑耦合运动的数值研究

The flow field visualization about the sections of double delta-wing by laser sheet technology

利用激光片光技术进行双三角翼剖面流动显示研究

Under the above optimum conditions, the yield of PGDN is about 96.3%, and the selectivity is nearly 100%.

1,2-丙二醇二硝酸酯的收率达96.3%，选择性接近100%。

Reclaim your PgUp and PgDn keys from the Flash player to scroll the entire page, or add the cnee record mouse option to re-enable your scroll wheel.

从Flash播放器取回PgUp和PgDn键来滚动整个页面，或添加cnee record mouse选项重新支持滚轮。