Difluorene
[化] 联芴
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
Experience keeps a dear school,but fools learn in no other.
经验学校学费高，愚人旁处学不到。
There's nothing much I can do.
这事情我无能为力。