孔隙的英文：
hole; small opening

参考例句：

The configuration of the pore space is different from that which would be obtained from the packing of uniform spheres
自然界物质孔隙结构与均匀球粒的堆积而形成的孔隙是不同的。

The aperture in the door is so wide
门上的孔隙太大了。

The pore velocity is the velocity with which a tracer moves through a porous medium
孔隙速度是示踪元素穿过孔隙介质的速度。

Commonly the dolomite crystals form a framework with evenly distributed porosity
通常白云石晶体构成格架，它有均匀分布的孔隙。

The salinity of the water in the pores is probably the most critical factor determining the resistivity
孔隙内水的矿化度或许是决定电阻率的最主要因素。

Shallow burial seems to preserve chalky textured porosity
浅埋藏似能保留具白垩状结构的孔隙。

Shallow burial seems to preserve chalky textured porosity.
浅埋藏似能保留具白垩状结构的孔隙。

Gums and mucilages can reduce the size of some of the soil pores
细菌胶和粘胶会使某些土壤的孔隙减小。

The cross-sectional areas of the pore openings vary along their length
孔隙通道的横截面面积沿其长度方向变化。

Porosity may be classified according to the mode of origins (1) original and (2) induced.
按其原始形态，孔隙度可分为原生孔隙度和次生孔隙度。

hole是什么意思：
n. 孔，穴，洞
v. 打洞；击球入洞

There is a rabbit hole.
这里有个兔子洞。

The nineteenth hole
高尔夫俱乐部的酒吧

Yes, dig a hole, next put the seed into the hole.
对，先挖个洞，再把种子放进去。

small是什么意思：
adj. 小的；不重要的；小写的；年幼的
adv. 成为小块，小小地
n. 后腰；小件衣服

Automatic Small Scratch Removal
自动去除小擦痕

The percentage of unskilled workers is small.
非熟练工的比例很小。

A small amount of liquid;a drop.
少量液体；一滴

opening是什么意思：
n. 开，启，（职位的）空缺，（正式的）开始；开端；首场演出
adj. 开放的；开始的；首场演出的

They are open to temptations.
他们容易受诱惑。

The flowers are opening.
花正在开放。

an open package
未封上的包裹