on
同义词：
happening | scheduled | by | next to | above | in | at | to | on top of | around | atop | by the side of | proceeding | working | continuously | without a break | along | occurring | about | attached | organized | planned | upon | covering | top | touching | over | performing | broadcasting | forward | near | beside | operating | going | nearby | engaged | powered | running | ahead | onward | functioning | towards | beyond | in contact with | attached to | firmly | continually | unceasingly | perseveringly | life | steadily | tightly | fast | forth | securely | across | close | place | in existence | existence | taking | on the air | use | on | air | the | from | in use | with | contact | hung | next | proximate | without | ceasing | forwards | or |
反义词：
词义辨析：
同义:
prep.在……上, 附在……上
upon
attached
to
hung from
around
about
above
touching
in contact with
top
covering
attached to
prep.在……旁, 靠近
by
near
proximate to
next to
beside
nearby
around
ad.紧地, 牢固地
fast
firmly
securely
tightly
life
close
ad.向前去, 下去
onward
forward
ahead
along
towards
beyond
ad.稳定地, 连续地
steadily
without ceasing
unceasingly
continually
perseveringly
a.处于……情况中的, 起着作用的
in use
operating
running
going
engaged
working
functioning
powered
a.在从事……中的, 在发生着的
taking place
occurring
happening
in existence
scheduled
planned
organized
a.正在广播的
performing
broadcasting
on the air
同义参见:
forward or forwards
forth
across
over
反义:
prep.在..之上; 在表面
beneath
off