egress
词根词缀：
aggression n. 侵略；进攻
ag 表加强 + gress 行走 + ion 表名词 → 往前走 → 进攻
congress n. 国会；代表大会
con 共同 + gress 行走 → 走到一起〔开会〕→ 代表大会
digress v. 离题
di 分开 + gress 走 →〔话题〕走开 → 离题
egress n. 出口，出路
e 出 + gress 行走 → 走出 → 出口
ingress n. 入口，入场
in 进入 + gress 行走 → 走进 → 入口
progress n. 进步
pro 向前 + gress 行走 → 向前走 → 进步
regress v. 倒退
re 向后 + gress 走 → 向后走 → 倒退
retrogress v. 倒退，退步
retro 向后 + gress 行走 → 倒退，退步
transgress v. 超过；违背
trans 横过 + gress 行走 → 越过道德的边界 → 违背
transgression n. 违法
transgress的名词
数据来源：新东方英语词汇速记大全
相关例句：
This gave me not only egress and regress, as it was a back way to my tent and to my storehouse, but gave me room to keep my goods.
这样，我不但有了一个出入口，成了我帐篷和贮藏室的后门，而且有了更多的地方贮藏我的财富。
Suitable ingress and egress shall be built to all places leading to the construction workplace to which road vehicles have to go.
任何公路车辆必须通过、且通往施工场地的地方应修筑入口与出口。
Based on the research into the evacuation capability of the evacuation space unit ( a building which has a single egress), a discrete time evacuation model ( DTEM) was proposed.
针对单元疏散空间的疏散能力问题，提出了单元疏散空间（建筑物只有一个出口）的离散时间疏散模型。
So assuming he's anticipated the fastest egress, it's the east terrace.
所以假设他预计的是最快出口那么他在东部平台。
Give the CAS aircraft an approach/ egress direction if necessary.
如果需要向近距离空中支援飞机指示进入和撤出方向。
This is the same reason why all carry on bags "must fit completely underneath the seat in front of you", as any bags sticking out too far could create a tripping hazard in the event an emergency egress is needed.
飞机上一般要求随身带的包要能完全放到座椅下方也是因为这个原因，如果包太大了，一旦发生紧急事件，会给人逃生造成障碍。