1.半圆one half of a circle
2.半圆弧线the line that forms the edge of a semicircle
3.半圆形a thing, or a group of people or things, shaped like a semicircle
a semicircle of chairs摆成半圆形的椅子
We sat in a semicircle round the fire.我们坐在炉火前,围成一个半圆形。
We carried the litter in a wide semicircle around the spot where I had come close to the dropoff.
我们抬着担架,围着我刚才差一点掉下去的地方绕了大大的半个圆圈。
He was standing in a dimly lit room, and a semicircle of wizards faced him, and on the floor at his feet knelt a small, quaking figure.
他正站在一个灯光昏暗的房间里,巫师们面向他围成半圆,他脚边的地板上跪着一个颤抖的矮小身影。
An air bubble ascending from the ocean floor contorts and twists into a semicircle as a wave breaks in the background.
自海洋底部上升的气泡在受到波浪冲击时,扭曲、盘旋成一个半圆形。
The children sit in a semicircle, listening closely(attentively) to my stories.
孩子们围坐成半圆形,专心地听我讲故事。
The tube comprising the semicircle arc plate is fixed at the bottom side and the side wall of the heating tube.
半圆弧形板构成的管道固定在底边和侧壁上。
At the end of the lesson, group gathered about the teacher in a semicircle to ask additional questions.
课后,一群人在老师旁边围成半圆形,提出附加的问题。
Cut the circular cake in half and set each semicircle against adjoining sides of the square to form the top of the heart.
把烤好的圆蛋糕切成两半,再把每个半圆连接起来形成心型的顶部,另外两边形成顶点。
This led to the construction of earthen or stone steps, arranging the audience into a semicircle in front of the speaker.
这导致了泥土阶或石阶的建构,安排观众们面对讲演者坐成一个半圆形。
and two fastening pieces are used for fastening tightly the lugs of the two semicircle arciform clamping hoops.
两个紧固件,其用于紧固两个半圆拱状卡箍件的凸耳。
The side of the lock-up set is provided with a semicircle lug boss, which is allocated with the semicircle groove arranged on the shell.
锁止套周侧设置半圆凸台,半圆凸台与设置在壳体上的半圆凹槽相配置。
At the end of the lesson, agroup gathered about the teacher in a semicircle to ask additional questions.
下课后,一群学生聚在老师身旁围成半圆形,问一些额外的问题。
all the generals were standing in a semicircle , laughing loudly , their uniforms unbuttoned , and their faces flushed and animated.
所有的将军们站成半圆形,都解开了上衣,脸色通红,兴高采烈,高声大笑。
Mao rose from an armchair in the middle of a semicircle of armchairs with an attendant close by to steady him if necessary.
沙发椅呈半圆形摆放,毛从正中的椅子里起身,身边的随从随时准备搀扶。
Inside, though, as we gathered in a semicircle around the bed, I doubted my words.
而当我们聚在病床的一边时,我内心深处也在质疑我所说的话。
Mr room is small and poor, with a garret window in the shape of a semicircle.
我的房间小而简陋,有一个阁楼上常有的那种半圆形窗户。
Semicircle steel sheets were welded on the wall of evaporation pipes in fluidized bed roaster for anti-abrasion.
为减少磨损,沸腾炉内蒸发管采用加焊半圆形钢板防磨。
All the employees of the furniture shop had gathered in a semicircle around Mr. Ganesh Pai's table.
家具店所有的员工都呈半圆形围绕在甘内什•拜先生的桌子旁。
supports of square annular shape or "U" shape are better than supports of semicircle arch.
马蹄形或方环形支架要比半圆拱等支护形式好。
The desks were placed in a semicircle because we had many in-class discussions. The circle helped us see everyone one without any problems.
如此摆放桌椅,是为了方便课堂讨论,半圆形(有时会改为圆形)可以使自己很容易面对所有在座同学老师。
The operation showed that welding of semicircle anti-abrasion steel sheet significantly reduced maintenance cost and prolonged pipe life.
实际使用情况表明,加焊半圆形钢板防磨大大降低了维修费用,显著提高了防磨效果。
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