piggyback
piggyback
noun
noun
- a ride on someone's back and shoulders
肩驮，背扛
- on the back and shoulders of another person
肩驮背扛地
he had to carry him piggyback.
他不得不把他背回来。
■on top of something else
放在…上面
Duncan headed back with the car riding piggyback on his truck.
邓肯把小车放在卡车上往回赶路。
- [with obj.]carry by or as if by means of a piggyback
通过肩驮背扛方式或类似肩驮背扛方式携带
■mount on or attach to (an existing object or system)
背负，肩负；搭建，架
they have piggybacked their own networks on to the system.
他们已经把自己的网络搭建在系统上面。
■[no obj.]use existing work or an existing product as a basis or support
附加，附载
we were piggybacking on their training program.
我们在他们的培训班上旁听。
- mid 16th cent. (as an adverb): although analysed by folk etymology in various ways from an early date, the word's origin remains obscure
考试词汇表
