ejection meaning in English
n.
1.逐出，赶出。
2.排出，推出；喷出，吐出；发射，喷射。
3.排出物，喷出物；射出物。
Examples
- Most of the crater is formed by ejection .
大多数的弹坑是由于把泥土抛出而形成的。 - A rocket is propelled by the ejection of a portion of its mass to the rear .
火箭是靠向后喷射其部分质量而推进的。 - Radioactivity is the ejection of particles or radiation from the nucleus .
放射性是原子从核中射出粒子或辐射的现象。 - Multi-cavity molds are sometimes provided with knock-out pins for easy ejection of the casting from the molds .
多腔模具有时装有顶钉，以便铸件易于脱模。 - These are the ejection mechanisms for the compartments
这是用来弹射船舱的装置