propagate
propagate
verb
[with obj.]
propagation
noun
propagative
adjective
语源
verb
[with obj.]
- breed specimens of (a plant, animal, etc.) by natural processes from the parent stock
（动植物等）繁殖；使繁殖
try propagating your own house plants from cuttings.
试着通过插枝繁殖自家的室内植物。
■[no obj.](of a plant, animal, etc.) reproduce in such a way
（动植物等）繁殖，增殖
the plant propagates freely from stem cuttings.
这种植物通过枝干扦插便可得以繁殖。
■cause (something) to increase in number or amount
使（某物）在数量上增加
operational error includes those errors propagated during the digitizing process.
运算错误包括数字转换过程中增多的错误。 - spread and promote (an idea, theory, knowledge, etc.) widely
传播（观念、理论、知识等）
the French propagated the idea that the English were violent and gluttonous drunkards.
法国人传播这样的观念： 英国人是狂暴、贪婪的酒鬼。 - [with obj. and adverbial of direction]transmit (motion, light, sound, etc.) in a particular direction or through a medium
（运动、光线、声音等）传送，传播
electromagnetic effects can be propagated at a finite velocity only through material substances.
电磁效应只能通过物质材料以一定的速度传送。
[as adj. propagated]a propagated electrical signal.
电播信号。
■[no obj.](of motion, light, sound, etc.) be transmitted or travel in such a way
（运动、光、声音等）蔓延，扩展
a hydraulic fracture is generally expected to propagate in a vertical plane.
水力断裂通常预计会沿纵面扩展。
propagation
noun
propagative
adjective
语源
- late Middle English: from Latin propagat- 'multiplied from layers or shoots', from the verb propagare; related to propago 'young shoot' (from a base meaning 'fix')
考试词汇表
