托福听力笔记的一些速记符号

上课时带大家看过。
 
e.g. for example
< less than
≤ no more than
> more than
≥ no less than
≈ approximately
= equal to
≠ not equal to
* important
** very important
× wrong, bad
√ right, good
↑ increase
↓ decrease
+ better
－ worse
∵ because
∴ so
← reason
→ result
? question
! key point
∈ belong to
& and
 
 
 
缩写:
cont. for continued
ed education
Prof. professer
ch child
curr curriculum
chem chemistry
hist history
c/room classroom
geog geography
Lng learning
bk book
prob probably
ex exercise
w/ with
18c 18th century