His upper lip was flat, but the lower one sagged.
他上唇扁平，下唇耷拉。
I'm 15 and com-pletely flat-chested.
我现在15岁，胸部扁平。
This discovery disproved the idea that the world was flat.
这个发现驳斥了地球是扁平的看法.
Long ago, people believed that the world was flat.
很久以前人们相信地球是扁平的.
The ancients were mistaken in their belief that the earth was flat.
古代人错误地认为地球是扁平的.
People used to think that the earth was flat.
人们过去常认为地球是扁平的.
It consists of a stack of flat, membrane - bounded sacs.
它由一大堆扁平的膜缘清楚的囊组成.
The flexible diaphragm is connected to a plat cantilever - calibrated spring.
柔韧的膜片一扁平的悬臂校正弹簧相连.
Periodically , the lamellae become enlarged, forming flattened, membrane - enclosed vesicles called thylakoids.
片层周期性地扩展, 形成扁平的有膜为界的囊,称为类囊体.
He skimmed a flat stone over the water.
他抛出一块扁平石头使之掠过水面.
She wore a sailor hat of black straw.
她戴着一顶扁平的硬边黑草帽.
The diaphragms may be flat or corrugated.
膜片可以是扁平的,或是波纹的.
We sat on the flat bench.
我们坐在扁平的石凳上.
The hierarchy of menus has been flattened down until it is only one level deep.
这里菜单只有一级,层次关系扁平化了.
Wide tabular mineralization can generally be detected more successfully with a pole - dipole or dipole - dipole array.
用单极 ― 偶极或偶极 ― 偶极排列一般能比较有效地探测宽的扁平状矿体.