1.Body

【OBJECT】 [C] technical

an object that is separate from other objects

Keep the caps on the bottles to prevent foreign bodies entering them (=objects that should not be there) .

Be at rest静止

Laws

A law is one of the rules in a system of law which deals with a particular type of agreement, relationship, or crime.

Untrue

Speed is small 速度大小用small

A lead weight 铁球

Weights 哑铃一类的用于压秤的一类重物

roll sth back

turn or force back (eg enemy forces)

(b) (esp US) reduce (prices, etc)

roll back inflation

Respect

with respect to sth (fml or commerce)

concerning sth

This is true with respect to English but not to French.

* With respect to your enquiry, I enclose an explanatory leaflet.

set aside

place sth to one side

save or keep (money or time) for a particular purpose

She sets aside a bit of money every month

Refute

[Tn] prove (a statement, an opinion, etc or a person) to be wrong

Stub

~ sth (against/on sth) strike (esp one's toe) accidentally against sth hard I've stubbed my toe on a rock

.stub sth out

extinguish (esp a cigarette) by pressing it against sth hard

Space

~ sth (out) set sth out with regular spaces between

space out the posts three metres apart

Postulate

(fml 文) put (sth) forward as a fact or accept (sth) as true, esp as a basis for reasoning or argument

Intrinsic

(of a value or quality) belonging naturally; existing within, not coming from outside

Notably

specify an important or typical example of something that you are talking about

Finite

having bounds; limited; not infinite

Human knowledge is finite

Ripple

gentle rising and falling sound

a ripple of laughter, voices, applause

Propagation

(fml 文) spread (views, knowledge, beliefs, etc) more widely

cause or allow (sth) to pass through sth; transmit

Infrared

红外线的

Credit

~ (for sth) praise; approval; recognition (used esp with the vs shown)

have sth to one's credit have achieved sth