sparkplug
vt. 倡导, 激励 n. 火花塞, 中坚
词形变化
sparkplugs
复数
sparkplugs
sparkplugged
sparkplugging
sparkplugs
三单
sparkplugging
现在分词
sparkplugged
过去式
sparkplugged
过去分词
释义与例句
n.
-
1.
Alternative form of spark plug.
v.
-
1.
To serve as the driving force behind (a new endeavour).
及物