objection
observe
obstacle
obtain
occasion
occupation
offense
operation
opponent
opposite
optimistic
option
organ
origin
original
originate
outcome
outgoing
outline
overcharge
overcome
overestimate
overflow
overload
overstate
overtake
overweight
overwhelm
overwhelming
最新更新单词
consequence
restrict
democratic
retail
contest
survival
worsen
concentration
district
endure
archive
instruct
更新时间：2026-05-31 21:31:23