a bolster under sth
under 表示把长枕垫在某物下方,起到支撑或减震的作用。
He placed a bolster under her ankles to raise her feet.
他在她脚踝下垫了一个长枕,把她的脚垫高。
衬垫；敷料；垫子；支撑物；促进因素；车轴垫片；马车轴垫；垫木；柱梁间短横木；车架中梁；铁路货车中梁
A long, thick pillow, often placed under other pillows on a bed.
大型垫子或枕头,通常为圆柱形。
A large cushion or pillow, usually cylindrical in shape.
置于普通枕头下方的长枕
a pillow that is often put across a bed underneath the regular pillows
用于缓解压力、支撑身体部位或使绷带舒适地覆盖伤处的垫子、褥垫或任何物品；敷料。
A pad, quilt, or anything used to hinder pressure, support part of the body, or make a bandage sit easy upon a wounded part; a compress.
马车车轴上方的垫片,使前轮有足够空间转动。
A small spacer located on top of the axle of horse-drawn wagons that gives the front wheels enough clearance to turn.
柱与梁之间的短水平结构木料,用于增大柱的承压面积和/或缩短梁的跨度。
A short, horizontal structural timber between a post and a beam for enlarging the bearing area of the post and/or reducing the span of the beam.
铁路货车中央的梁,支撑车厢体。
A beam in the middle of a railway truck, supporting the body of the car.
冲孔机中承托工件的带孔板。
The perforated plate in a punching machine on which anything rests when being punched.
刀片中紧靠刀柄末端部分。
The part of a knife blade that abuts upon the end of the handle.
折叠刀手柄的金属端。
The metallic end of a pocketknife handle.
爱奥尼柱头两端或两侧的涡卷。
The rolls forming the ends or sides of the Ionic capital.
起支撑或促进作用的事物；催化剂。
That which supports or promotes; a catalyst.
宽刃冷凿,用于劈开和修整砖块。
A wide-bladed cold chisel designed to split and shape bricks.
She placed a soft bolster under her neck to sleep more comfortably.
她把一个柔软的靠枕放在脖子下面，这样睡得更舒服。
用法提示：此处 bolster 为名词，指圆柱形长靠枕，在句中作宾语。
The old man leaned back against a bolster on the sofa.
老人靠在沙发上的一个长靠枕上。
用法提示：此处 bolster 为名词，表示靠枕，作介词 against 的宾语。
We bought two bolsters for the guest bed.
我们给客床买了两个长枕。
用法提示：此处 bolster 用复数形式 bolsters，指长圆柱形枕头，在句中作宾语。
under 表示把长枕垫在某物下方,起到支撑或减震的作用。
He placed a bolster under her ankles to raise her feet.
他在她脚踝下垫了一个长枕,把她的脚垫高。
across 表示长枕横放在床等平面之上,多用于铺床的场景。
A long bolster was laid across the bed underneath the pillows.
一条长长的抱枕横放在床上,垫在枕头下面。
use 后接长枕,to do 说明它的用途。
Nurses use a bolster to support the patient's back.
护士用长枕支撑病人的背部。
grammar · medium
易错句子I bought two bolster for my grandmother.
正确表达I bought two bolsters for my grandmother.
bolster 是可数名词，前面有数词 two 表示不止一个时必须用复数形式 bolsters；汉语名词没有单复数变化，学习者容易漏掉词尾的 -s。
grammar · medium
易错句子I need bolster to support my back.
正确表达I need a bolster to support my back.
bolster 是可数名词单数，泛指一个时前面要加不定冠词 a；汉语没有冠词系统，中文学习者常把这个 a 漏掉。
长枕；圆柱形抱枕
He hugged a long bolster pillow and fell asleep on his side.
他搂着一个长枕，侧身睡着了。
长枕套
She washed the bolster case and slipped it back over the pillow.
她洗了长枕套，又把它套回枕头上。
瑜伽抱枕
She rested her back against a yoga bolster during the breathing exercise.
她在呼吸练习中把背靠在瑜伽抱枕上。
在膝盖下垫一个垫枕
The nurse placed a bolster under the knees to ease his back pain.
护士在他膝下垫了一个垫枕，以缓解他的背痛。
装饰性长枕
A striped decorative bolster lay across the middle of the sofa.
一个条纹装饰性长枕横放在沙发中间。
Choose the next layer that will help you use bolster with more confidence.
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