up and down是什么意思

分类：英文单词 - 单词up and down

up and down

up and down 上上下下；起伏

上上下下; 起落

速度 0.85

and

down

/ʌp/

/ænd/

/daʊn/

中文提示

"上上下下；起伏" 对应哪个单词？

点击下方单词,选择对的这个单词

1. moving backward and forward along a given course

e.g. he walked up and down the locker room
all up and down the Eastern seaboard

2. alternately upward and downward

e.g. he eyed him up and down