once or twice
一两次,偶尔a few times; occasionally
I was absent once or twice.我曾缺席一两次。
I've only been there once or twice.我只是偶尔到过那里。
think twice
三思,反复考虑consider carefully
He told me to think twice before speaking.他叫我三思而后再发言。
句型例句
He was twice absent.他缺席两次。
He has twice the strength he had.他现在身体比过去强健一倍。
He earns twice as much as I do.他挣的钱比我多一倍。
Bob phoned twice today.鲍勃今天打了两次电话。
This box is twice as large as that one.这个盒子是那个盒子的两倍。
Twice two is four.二二得四。
I did it in twice.我分两次做了这事。
