When I pushed his door open, Trevor was sitting bolt upright in bed.
我推开他的门时，发现特雷弗正笔直地坐在床上。
He was an upright and noble man who was always willing to help in any way he could.
他是一个正直、高尚的人，总是愿意尽其所能来帮忙。
His face flushed scarlet and he sat bolt upright.
他的脸涨得通红，笔直地坐着。
As the wheel rotates, the gondolas are kept in the upright position by a simple gearing system.
当车轮转动时，贡多拉通过一个简单的传动系统保持在垂直位置。
Bit by bit, his back uncurls and straightens until all of a sudden there is he, upright, truly a man.
他的背部一点一点地舒展和拉直，直到突然他直立起来，成了真正的男人。
They also believe that moving the moai required few people and no wood, because they were walked upright.
他们还相信移动这些摩埃石像仅需要很少的人力且不需要木材，因为它们是直立地“走”过去的。
Walking upright permitted the father to use his hands to gather food and carry it to his mate from a distance.
直立行走使父亲可以用手收集食物并从远处把食物带给他的配偶。
If the small-brained australopithecines were not toolmakers, what evolutionary advantage did they gain by walking upright?
如果脑子比较小的古猿不是工具制造者，那他们直立行走的进化优势是什么？
The shape and configuration of various bones must likewise be modified to allow the muscles to perform these functions in upright walking.
各种骨骼的形状和结构也必须加以调整，以使肌肉在直立行走时能够执行这些功能。
He is upright, optimistic, active and enterprising, striving for truthfulness, kindness and beauty, and seeking for an ideal society all his life.
他正直、乐观向上、积极进取。他一生都在追求真、善、美，一生都在追求理想的社会。
A New Jersey black bear that walks upright on its two back legs and has become a social media darling has re-emerged and has been captured on video months after its last sighting.
一头用两条后腿直立行走的新泽西州的黑熊已经成为社交媒体的宠儿，距离上次被目击的几个月后，它再次出现并被拍了视频。
Moreover, even though humans have been upright for millions of years, our feet and back continue to struggle with bipedal posture and cannot easily withstand repeated strain imposed by oversize limbs.
此外，尽管人类直立行走已经有数百万年的历史，我们的脚和背部仍在两足行走的姿势中艰难斗争，无法轻易承受过长的四肢持续施加的压力。
He moved into an upright position.
他换成了一个挺直的姿势。
With a swift movement, Matthew Jerrold sat upright.
马修·杰罗德迅速地坐直了。
We could see what looked like a big bed in a hotel room—with beige quilts and pillows propped upright on the headboard.
我们可以看到像是饭店房间里的大床——铺着米黄色的被子，床头板上竖直靠着许多枕头。
For instance, many babies are perfectly proficient crawlers, but they decide to try walking because there's more to see and do when they stand upright.
例如，许多婴儿都能非常熟练地爬行，但他们却决定尝试行走，因为当他们站直时，有更多的东西能看和做。
He managed to pull himself upright.
他设法直起了身子。
Moira sat stiffly upright in her straight-backed chair.
莫伊拉直挺挺地坐在直背椅上。
For example, some people believe that chopsticks should not be left standing upright in a bowl.
例如，有些人认为，筷子不应该直立插在碗中。
In writing, make the characters square and upright.
字要写得方正。
The sympathoadrenal system is unable to maintain cerebral perfusion pressure in the upright posture.
交感肾上腺系统不能维持直立位的脑灌注压。
When one is surrounded by the virtuous, he'll become upright himself.
蓬生麻中，不扶自直。
Why did humans evolve to walk upright?
人类为何进化到了直立行走的姿态？
她把他拉了起来。
They made upright frames of acacia wood for the tabernacle.
他用皂荚木做帐幕的竖板。
The trees and houses were no longer upright. They were slanting.
树和房子不再直立了，它们开始倾斜。
Light is shed upon the righteous and joy on the upright in heart.
散布亮光，是为义人。预备喜乐，是为正直人。
The righteous detest the dishonest; the wicked detest the upright.
为非作歹的，被义人憎嫌；行事正直的，被恶人憎恶。
Once I found a small stick standing upright in one of my traps.
又一次，我发现一根小树枝直直插在捕兽夹里。
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