an unfortunate happening that hinders or impedes; something that is thwarting or frustrating
turning in an opposite direction or position;
"the reversal of the image in the lens"
a decision to reverse an earlier decision
a judgment by a higher court that the judgment of a lower court was incorrect and should be set aside
turning in the opposite direction
the act of reversing the order or place of
a major change in attitude or principle or point of view;
"an about-face on foreign policy"
例句
词汇搭配
例句
用作名词(n.)
Tilting disc check valves are used to prevent reversal of flow in horizontal or vertical pipe lines. 翻转式阀瓣止回阀适用于防止水平或垂直管路上的流体倒流。
The article presented the progress of image reversal components composing napthoquinone diazide compounds. 本文对含重氮萘醌化合物的翻转成像体系作了详细的总结。
When the next reversal occurs, the several generations of scientists who study it will know much more about the effects. 当下一次倒转发生时，从事这项研究的几代科学家将对有关的效应知道得更多。
In order for a reversal to take place there must be a brief time during which the field is non-existent. 为了发生一次倒转，必须有一个很短的时间没有磁场存在。
Each reversal appears to have taken place in a very short time. 每一次反转看来都是在极短的时间内发生。
It provides an early reversal warning after a new high or low. 出现了新高或者新低后，它给出了一个早期的反转警告。
