查询词典 xylem rays

Shade and shadow of spheric surface ; horizotal obligue axonometric projection ; light rays ; visibility

圆球的阴影；水平斜轴测投影；光线方向；可见性判别

The Rays did not get a base runner against Chamberlain and Rivera for the final two innings.

Rays最后两局没能在甲霸和李维拉手中踏上垒包。

Battista della Porta in 1589, but it was not until 1611 that Kepler compared a lens of glass to the lens in the eye and showed that rays from each point of an object were brought to a focus at each corresponding point of an image on the retina.?

要注意not until的用法。参考译文：1589年B？巴第思塔？德拉？波尔塔出版了有关透镜的打磨与磨光的书籍，但是直到1611年，凯朴乐才比较了玻璃透镜与人眼的水晶体，并发现来自物体各点的光线都能在视网膜成像上找到对应的点。

Battista della Porta in1589, but it was not until1611 that Kepler compared a lens of glass to the lens in the eye and showed that rays from each point of an object were brought to a focus at each corresponding point of an image on the retina.

透镜可以集结更多的光束，并且依然可以象小孔一样成相，但是有一点两者不同，在小孔摄影机里，无论胶片与小孔的距离远近，光线都可以相成同样清晰的影像。

Among these, far-infrared rays in the range of 6-14ym are known to be most beneficial for human health.

而波长在6~14微米之间的远红外线是对人体健康最有益处的。

Henri Becquerel wondered if the fluorescence bore any relationship to the recently discovered X-rays.

亨利·贝克莱尔很想知道这种荧光同新近发现的X射线是否有关系。

And I said to him, I beseech thee, Lord, take also the rays with it.

我对他说，我恳求你，主啊，还采取了射线。

A transparent, biconvex body of the eye between the iris and the vitreous humor that focuses light rays entering through the pupil to form an image on the retina.

晶状体，水晶体：眼球中一种透明的双面凸体，位于虹膜与玻璃体之间，它可使穿过瞳孔进入眼球的光线聚集在视网膜上来形成图象

If you purchase the Dental Rider, children age 9 to 16 are covered for Preventative Dental care, including routine oral exams every 6 months, fluoride treatment every 12 months and bitewing x-rays every 24 months.

如果您购买牙科骑士，儿童年龄9至16范围内，为预防牙齿护理，包括例行的口头考试，每6个月，氟化物治疗每12个月和bitewing X光检查，每24个月。

Contains SPF15 and PA++, protecting the skin against UVA and UVB rays and melanin formation. The patented Bitter Orange Peel ingredient gives added protection, effectively protecting your skin against free-radical activity.

具防晒指数 SPF15 及 PA++，有效抵御 UVA/UVB 紫外光的侵害、抑制黑色素的形成；更蕴含专利抗氧化成份酸橙皮，全面抵御游离基对皮肤造成的损害，美白之余，亦可收娇嫩肌肤之效。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。