名 footpath，path，way，means；副 （径直） directly，straightway ；

[例句] 一把测径规 a pair of callipers

[例句] 因此,线偏振光径全反射后将变成椭圆偏振光. Linearly polarized light will in consequence become elliptically polarized on total reflection.

way，route，method，ways and means，path ；

[例句] 这条海滨小路是散步者很喜欢走的路径。 The coastal path is a popular route for walkers.

[例句] 结果却发现它们又找到一条新的路径. Instead, I saw that they had discovered a new route.

名 diameter；

[例句] 这个洞眼的直径只有0.23英寸。 This hole was a scant .23 inches in diameter.

[例句] 这个手绘盘子直径为30厘米。 This hand-decorated plate measures 30cm across.

bore，caliber，requirements，specifications，calibre ；

[例句] 口径为120毫米的迫击炮的射程是1.8万码。 The 120mm mortar has a range of 18,000 yards.

[例句] 我们必须口径一致. We must all say the same.

act，action，move，conduct ；

[例句] 那次偷袭是一种不正当的侵略行径。 The raid was an unjustifiable act of aggression.

[例句] 所有那些削尖脑袋向上爬的可耻行径！ All that vulgar social-climbing!

road，avenue，way，channel；

[例句] 两个邻国之间的争端和分歧应当通过双边途径解决。 Disputes and differences between the two neighbours would be solved bilaterally.

[例句] 这些会议是一种相互结交的途径。 The meetings were a way to get acquainted with each other.

cut，shortcut，bee line，a short cut，crosscut ；

[例句] 他总是在找成名发财的捷径. He was always looking for a shortcut to fame and fortune.

[例句] 遥程路反近,捷径常误人. The farthest way about is the nearest way home.

[数] radius，[天] semidiameter，radii ；

[例句] 我们正在测量圆的半径. We are measuring the radius of the circle.

[例句] 浑圆度取决于边角的锐度或曲率半径. Roundness depends on the sharpness or radius of curvature of the edges.

access，key，way，gate，approach ；

[例句] 求知门径很多, 或阅读,或回忆,或观察,或实践. We can gain knowledge, by reading by reflection by observation or by practice.

pathway，pathlet，alley，trail ；

[例句] 她选了低速挡小心翼翼地沿小径下行。 She selected a low gear and started down the track carefully.

[例句] 眼前有一条清晰可辨的小径通向山谷。 A clearly defined track now leads down to the valley.

aperture，bore diameter ；

[例句] 用闪光照相，要把光圈孔径定为5.6。 For flash photography, set the aperture at f.5.6.

[例句] 他把镜头光圈孔径缩小. He stopped down the lens to a small aperture.

meandering，[化] labyrinth，maze ；

[例句] 这位心地单纯的傻姑娘在林间曲径中艰难地走了两个来小时. For two hours did this singlehearted and simpleminded girl toil through the mazes of the forest.

[例句] 庙宇旁有巨石覆叠成洞,曲径盘绕. There are huge stone temple beside the follow - hole Die Cheng, twined Labyrinth.

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[例句] 不要岔离大路, 要径直地穿过森林. Don't diverge from the main path, but go straight through the forest.

[例句] 我径直地向他冲去. I went right at him.

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[例句] 这些会议是一种相互结交的途径。 The meetings were a way to get acquainted with each other.

[例句] 我们不管怎样都必须找到摆脱传统束缚的途径。 We must, somehow, find a way to loosen the bonds of tradition.

radial ；

[例句] 球体表面点的总位移是纯径向的. The resulting displacements of points on the surface of the sphere are purely radial.

[例句] 本文首次采用Bridgman法生长 了Mn_ xCd_(1-x) In_ 2Te_4晶体,并研究了晶体中相的形貌、结构、成分和晶体中各组元沿轴向和径向的成分分布. MnxCd 1 - xIn 2 Te 4 ingots were grown by Bridgman method.

bywalk ；

radius vector ；

[例句] 每个立体的矢径总是正值长度. The radius vector of each solid is always a positive length.

bore ；

[体]berm ；

名 trued ；