up and down
英:[ʌp ænd daun] 美: [ʌp ənd daʊn]
up and down 基本解释
释义上上下下;起落;
英英释义
up and down
adv.moving backward and forward along a given coursealternately upward and downward
up and down 相关例句
双语例句
- They are getting up and down all the time.
它们总是不停地上上下下跑。 - I've looked high and low for my wallet.
我上上下下地找我的钱包。 - The lion paced restlessly up and down in its cage.
狮子在笼子里不安地来回走动。 - It takes me an hour to walk there and back.
我步行一个来回用一小时。
权威例句
Up and Down법을 이용한 목재와 목질재료의 연소시험Up and downUp and downUp and Down With Ecology: The Issue Attention CycleUp and Down with EcologyPsychosomatics and psychopathology: looking up and down from the brainStaircase bioassay: the up-and-down method.Up and down states in striatal medium spiny neurons simultaneously recorded with spontaneous activity in fast-spiking interneurons s...Up-and-down regulation of skeletal muscle acetylcholine receptors. Effects on neuromuscular blockersThe Up-and-Down Method with Small Samples*Root-to-shoot signalling: Assessing the roles of ‘up’ in the up and down world of long-distance signalling in plantaThe emergence of Up and Down states in cortical networksImproved up-and-down designs for phase I trials.