他不定期地来探访我们.He visits us at irregular intervals.他在不定期航空公司受过训练.He got his training with the non - skeds.村民委员会将村务定期或不定期地向村民公开.Villagers'committees regularly or periodically make public the affairs of the village to the...
对鲸的野蛮屠杀既不必要也不人道。The barbaric slaughter of whales is unnecessary and inhuman.我16岁退学的时候既不识字也不会写字。When I left school at 16, I couldn't read or write.大多数孩子既不是天才也不是明星，他们只是表现平平。Most children are not geniuses or stars. The...