On the face of things, it is puzzling that such costly behaviour should persist.

But for decades there has been a puzzling trend in the boy : girl ratio.

但是,在男女比率上,几十年李一直存在着一个令人费解的趋势.

These were nice questions, but Isabel's arrival put a stop to his puzzling over them.

这是一些棘手的问题, 但伊莎贝尔的到来使他结束了这种左右为难的局面.

He sits puzzling over ancient Hebrew texts.

他坐在那里对着古老的希伯来文本大伤脑筋。

He puzzled that men found so much to about, and , puzzling, dozed in his chair.

他很困惑,人哪来那么多东西可写, 困惑着, 又在椅子里睡着了.

He was puzzling over the old map.

他对着那张旧地图苦苦思索着.

They are puzzling through the new rules of the game.

他们正在对新比赛规则大伤脑筋.

Owing to the long history, there are some puzzling problems in historical literature recordation.

但由于历史久远, 历史文献记载尚有不少疑难问题.

There is something mysterious and puzzling about the entire painting.

人们看了觉得很神秘,困惑不解.

If you pin people down, they will tell you some puzzling things about stress.

如果非让他们说的话，人们会告诉你一些有关压力的令人费解的事情。

They are puzzling through the mazy new rules of the game.

他们正在对迷津似的新比赛规则大伤脑筋.

After puzzling for hours I finally saw daylight and found the answer.

迷惑了数小时后,我最终弄明白了,并找到了答案.

To play such puzzling games can increase the intellectual level of children.

玩这种拼图游戏可以提高孩子的智力水平.

These problems are very puzzling.

这些问题很令人迷惑.

For this mud sample, PV is 20, YP is 15, and fluid loss is 6 ml.

测这个泥浆样品, PV为20, YP为15, 失水是6毫升.

Long-term, high-speed pump industry has been troubled by high PV values.

长期以来, 高速 泵工业一直受到高PV值的困扰.

Results: The IC 、 ERV 、 VC 、 PV 、 PRV 、 MBC 、 FEV were lower in patients with posthepatocirrhosis than controls.

结果: 肺功能检测各项参数IC、ERV、VC、PV、PRV、MBC、FEV肝硬化 组均明显低于对照组(慢性胃炎),肺功能减退发生率为68.42%.

Integrated portal site area first half of 2008 the total number of page views PV maximum.

综合门户领域网站2008年上半年总页面浏览数PV最高.

Installed a stick in the type of PV cyclone separator which could reduced the pressure drop.

在PV型旋风分离器内加装减阻杆,可以大幅度降低旋风分离器的总压降.

The product is developed according to the high PV value of hydraulic pump.

该材料是根据液压油泵的高PV值 特定工艺条件而开发的材料.

The most efficient in poor light conditions. An extremely sturdy, vandal-proof PV.

是在光照差的条件下最有效的PV,耐用 、 结实.