ejection是什么意思
英文词源
- ejection (n.)
- 1560s, from Middle French ejection and directly from Latin eiectionem (nominative eiectio) "a casting out, banishment, exile," noun of action from past participle stem of eicere (see eject). The jet pilot's ejection seat (also ejector seat) is from 1945.
实用例句
- 1. 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.
来自辞典例句
- 2. 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.
来自辞典例句
- 3. 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.
来自辞典例句
- 4. Howeer, ejection fraction and left atrial volume index stayed the same.
- 但是, 射血分数及左房容积仍然不变.
来自互联网
- 5. Here will be a double ejection for forward and receding.
- 公模两段开模,这个地方先退.
来自互联网
