orbit; railway or tram line; fig. conventional way of thinking[cedict]
离心
lí xīnㄌㄧˊ ㄒㄧㄣ
centrifugal (force)[cedict]
作用
zuò yòngㄗㄨㄛˋ ㄩㄥˋ
to act on; to affect; action; function; activity; impact; result; effect; purpose; intent; to play a role; corresponds to English -ity, -ism, -ization[cedict]