单词 拧下来 例句 DEFINITIVE EXAMPLES 权威例句〔screw off〕The cap screws off for filling purposes.这个帽拧下来是为了进行灌装。外研社新世纪〔screw on〕End plates screw on and off easily.端板拧上去拧下来都很容易。外研社新世纪〔tear〕I wanted to tear her he...