propagation
UK/.prɒpә'geiʃәn/US
GRE六级B1
释义
n.
The spreading of something, such as ideas or information.
（思想、信息等的）传播，扩散。
n.
The breeding or multiplying of plants and animals.
（动植物的）繁殖，培育。
n.
The travel of a wave or signal through a medium.
（波或信号的）传导，传播。
词根拆分
词根派生propagate在...之前
+
-ion固定，种植，传播
=propagation
propagate + -ion（……的行为）= 扩散本身。它继承了 propagate 的三个领域：传播思想、繁殖生物、波/信号的传导。
常用搭配
- 1.wave propagation波的传导
- 2.vegetative propagation营养繁殖
- 3.propagation of ideas思想传播
- 4.signal propagation信号传播
例句
- 1.
The propagation of false news online is hard to stop.
网上虚假新闻的扩散很难制止。
- 2.
Vegetative propagation produces plants identical to the parent.
营养繁殖能产出与母株完全相同的植物。
- 3.
Engineers studied the propagation of the radio signal.
工程师研究了这一无线电信号的传播。