ejection

英 [i(ː)ˈdʒɛkʃən]

美 [ɪˈdʒɛkʃən]

n.  驱逐出场；被罚出场; 喷（放，发，排，抽，挤，击，顶，抛，逐）出（物）；放（喷，发，弹）射（出）; 出坯；推顶

复数：ejections　

IELTS化学

BNC.25508 / COCA.19639

柯林斯词典

• VERB 驱逐;把…逐出
  If youejectsomeonefroma place, you force them to leave.
  1. Officials used guard dogs to eject the protesters...
     官员们用警犬驱散抗议人群。
  2. He was ejected from a restaurant.
     他被逐出餐厅。
• VERB 弹出;喷出;射出
  Toejectsomething means to remove it or push it out forcefully.
  1. He aimed his rifle, fired a single shot, then ejected the spent cartridge.
     他用步枪瞄准，射出一枚子弹，然后退出空弹壳。
• VERB （通常指飞行员从即将坠毁的飞机中）弹射出来
  When a pilotejects froman aircraft, he or she leaves the aircraft quickly using an ejector seat, usually because the plane is about to crash.
  1. The pilot ejected from the plane and escaped injury.
     飞行员从飞机中弹出，安然无恙。

英英释义

noun

• the act of expelling or projecting or ejecting
  Synonym:expulsionprojectionforcing out
• the act of forcing out someone or something
  1. the ejection of troublemakers by the police
  2. the child's expulsion from school
  Synonym:exclusionexpulsionriddance

双语例句

• The influence of the hot gas ejection on the pressure fluctuation of the chamber is also studied and its forming mechanism is analyzed.
  重点研究了燃气引出对燃烧室压强波动的影响并对其形成机理进行了初步分析。
• The primary end points were the left ventricular ejection fraction and left ventricular end-systolic volume at12 months.
  最主要的观察终点指标是一年内左室射血分数和左室收缩末容积。
• The ejection process, however, would tear binaries apart, except perhaps when they were very tightly bound.
  但是，在排斥驱逐的过程中，除非星体彼此非常紧密地束缚在一起，否则双星系统是会被拆散的。
• The birds will be leaving the pop-up ejection trajectory, the angle and intensity for the adjustment of reference.
  而被弹出的鸟儿会留下弹射轨迹，可供参考角度和力度的调整。
• The intercepting system is composed of ejection device, intercepting device and aiming control device.
  拦截系统由抛射装置、拦截装置、瞄准控制装置组成。
• 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。
• Development of injection mould with angled slide block for sequential core-pulling and delayed ejection;
  模具结构中采用了定模强制脱模，顺序开模，滑动型芯延时顶出等机构。
• Brain natriuretic peptide Congestive heart failure Ultrasoundcardiography Left ventricular ejection fraction Cardiac function;
  充血性心力衰竭；脑钠素；超声心动图；心功能；左室射血分数；
• In2004, Chinese first aviation ejection lifesaving phantom was researched successfully.
  2004年，成功研制出我国首具航空弹射救生假人。
• However, 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。