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

• 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。
• 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。
• The Structure Design and Dynamic-parameter Simulation of a Sort of Missile Ejection Mechanism;
  根据发射装置产品研制与设计生产的需要，设计了一种新的弹射机构。
• 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。
• 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；
• The streamer ejection system evidently worked well, despite the high velocity at deployment.
  该流弹射系统运作良好，很明显，尽管高流速和部署。
• 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。
• This finding applied to patients irrespective of their left ventricular ejection fraction, a common measure of ventricular function.
  这一发现与患者的左心室射血分数衡量左心室功能的一项参数无关。
• A brief history and development for ejection seat is introduced.
  本文回顾了弹射座椅的发展历程。
• The instructor and student sit in tandem on rocket-powered ejection seats in a pressurized, air-conditioned cockpit.
  教练和学员分前后纵列坐在火箭助推的弹射座椅上，座舱内设有空调系统和加压系统。