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UK /bæk/US /bæk/

词源

源自古英语 'bæc',与古高地德语 'bah' 和古诺尔斯语 'bak' 同源,意为 '背部' 或 '后面'。

noun

❶ 指人或动物的背部,即身体的后侧部分,从颈部到腰部的区域。

“He has a pain in his back.”

(他的背部感到疼痛。)

“She lay on her back and looked at the stars.”

(她仰躺着看星星。)

❶ 指物体的背面或后部,与前面相对的部分。

“Write your name on the back of the photo.”

(在照片背面写上你的名字。)

“The back of the chair was broken.”

(椅子的靠背坏了。)

同义词:rear, spine, dorsal

verb

❶ 指支持或帮助某人或某事,通常表现为提供资源或鼓励。

“Her parents backed her decision to study abroad.”

(她的父母支持她出国留学的决定。)

“The company backed the new project with a large investment.”

(公司为这个新项目投入了大量资金。)

❶ 指向后移动或使某物向后移动,通常用于描述车辆或人的动作。

“He backed the car into the parking space.”

(他把车倒进了停车位。)

“She backed away from the angry dog.”

(她从那只愤怒的狗面前后退。)

同义词:support, reverse, retreat

adjective

❶ 指位于后面或远离主要部分的,通常用于描述位置或方向。

“The back door was left open.”

(后门被留开着。)

“She took the back seat in the car.”

(她坐在车的后座。)

同义词:rear, hind

adverb

❶ 指回到原来的位置或状态,或表示向后的方向。

“She came back home late.”

(她很晚才回到家。)

“Put the book back on the shelf.”

(把书放回书架上。)

同义词:return, backward

常见短语

back and forth — 指来回移动或反复讨论,常用于描述动作或对话的反复性。

“The children ran back and forth in the yard.”

(孩子们在院子里跑来跑去。)

back up — 指支持某人或某事,或指车辆向后移动。

“Can you back up your claim with evidence?”

(你能用证据支持你的说法吗?)

turn back — 指返回原路或改变主意回到原来的状态。

“They had to turn back because of the storm.”

(因为暴风雨,他们不得不返回。)