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请输入您要查询的英文单词:
单词
perk up
释义
perks up是perk up的第三人称单数
perk up
美
英
v.
提神
第三人称单数:
perks up
现在分词:
perking up
过去式:
perked up
英英
na.
1.
if
someone
perks
up
,
or
if
something
perks
them
up
,
they
begin
to
feel
happier
or
more
lively
2.
to
become
more
interesting
or
exciting
,
or
to
make
something
do
this
例句
释义:
提神
随便看
Rankine
Rankine body
Rankine bottoming
rankine cycle
Rankine-cycle efficiency ratio
Rankine cycle engine
Rankine-cycle engine
Rankine cycle power plant
Rankine(-cycle) thermal efficiency
rankine degree
Rankine-Hugoniot condition
Rankine-Hugoniot equations
Rankine-Hugoniot relation
rankine hugoniot relation
rankine hugoniot relations
Rankine-Hugoniot relations
Rankine method
rankine oval
Rankine's apparatus
rankine scale
Rankine's formula
Rankine's theory
rankine's vortex
Rankine temperature
Rankine temperature scale
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更新时间:2026/6/7 16:17:02