permanent

例句与用法

His sense of having been cheated out of that hundred pounds left a permanent mark .
他永远也忘不了自己被骗去那一百英镑的感觉。
These are inherent and apparently permanent and can be propagated vegetatively .
这些具有内在的和明显的遗传性，并可以无性繁殖。
An abundance of fresh food is not compatible with a super-abundance of permanent grass .
丰富的新鲜饲料与过于丰富的永久草场不能共存。
The low, steel-grey sky and the wisps of mist created a permanent twilight .
低沉，铁灰色的天空夹杂着稀疏的雾气，呈现出朦朦胧胧的亮光。
Hard water which can be softened by adding sodium carbonate is called permanent hard water .
经过加入碳酸钠能被软化的硬水，称为永硬水。
In albuminous seeds, it remains as a permanent storage organ of the mature seed .
在有胚乳的种子中，它保留作为成熟种子中的永久贮藏器官。
He helped his father establish the first permanent motion picture theatres in great britain .
他帮助其父在英国创建了第一批永久性电影院。
Permanent grass has a number of advantages over clean cultivation, the system it superseded .
多年生牧草较之已被其取代的清耕有许多优越性。
Yet the permanent moral expression of each face it was impossible to discover .
但是要发现每一个人脸上那种老不更变的正经老实样子，却不可能。