Part 2 字根 表示{行为动作}的字根 pel, puls = push 推，驱使
入门字
compel (v.) 强迫
com/ pel
加强语气/ push
进阶字
1. dispel (v.) 逐散，排除
dis/ pel
away/ push
The sun rose and dispelled the mist.
太阳升起，逐散了雾气。
2. expel (v.) 开除，逐出
ex/ pel
out/ push
The boy was expelled from school because he cheated on exams.
这个男孩因为考试作弊而被学校开除。
3. propel (v.) 推进
pro/ pel
forward/ push
NASA is working on new ways to propel spaceships through the void of outer space.
美国航太总署正在研究新方法来推动太空船穿越外太空的虚空。
4. propeller (n.) 螺旋桨，推进器
pro/ pell/ er
forward/ push/ one who
Jet planes are much faster than propeller planes.
喷射机比螺旋桨飞机快多了。
5. repel (v.) 排斥
re/ pel
back/ push
Two magnets may repel or attract each other.
两块磁铁可以相斥，也可以相吸。
6. repellent (n.) 驱除剂
re/ pel/ lent
away/ push/ 名词字尾
You should spray on some insect repellent before heading into the forest.
你该先喷一点驱虫剂，再进入森林。
7. pulsate (v.) 脉动
puls/ ate
push/ 动词字尾
A distant, pulsating star is often interpreted as a binary star.
一颗遥远的脉动星常被解释为双子星。
8. pulse (n.) 脉搏
pulse
push
Diagnosis in traditional Chinese medication relies heavily on feeliing the patient's pulse.
传统中医诊断很重视把脉。
9. compulsive (a.) 身不由己的
com/ puls/ ive
加强语气/ push/ 形容词字尾
A kleptomaniac is a compulsive thief who steals because he or she cannot help it.
盗窃狂身不由己的小偷，偷东西是因为无法自制。
10. compulsory (a.) 义务的，强迫的
com/ puls/ ory
加强语气/ push/ 形容词字尾
All able-bodies male citizens must serve out a two-year compulsory military service.
身体健全的男性公民都得服完两年义务兵役。
11. impulse (n.) 冲动
im/ pulse
in/ push
The soldier felt an impulse to run for his life, but fought hard to control it.
这个士兵感到一股逃命的冲动，但是努力克制住它。
12. propulsion (n.) 推进
pro/ puls/ ion
forward/ push/ 名词字尾
The Jet Propulsion Laboratory is a research division under NASA.
喷射推进实验室是美国航太总署的一个研究单位。
13. repulsive (a.) 令人厌恶的
re/ puls/ ive
away/ push/ 形容词字尾
Many women find pornography repulsive.
许多女人觉得色情刊物很令人厌恶。