One of his upper front teeth was loose.

他上排有一颗门牙有些松动。

youdao

To have one upper front tooth pulled out?

被拔掉一个上颚前门牙？

youdao

The upper front part of a saddle; a saddlebow.

前鞍桥马鞍前面的上部分；

youdao

For example, how much would you have to be paid to have one upper front tooth pulled out?

比如，给你多少钱,你才愿意拔掉自己的一颗门牙？

耶鲁公开课 - 公正课程节选

You can see this region here is going to develop into one of the upper limbs, the arms here and the back is different from the front, the spinal cord is developing in the back, whereas, the structures that become our intestinal tract is developing on the other surface.

你能看到这个区域,将会发育成为上肢,这里是手臂,而且身体前后也有不同,脊椎正在后背发育,另外,会成为我们肠管的结构,也在另一个表面发育着

耶鲁公开课 - 生物医学工程探索课程节选

The scrummaging display against France will give the Irish pack the confidence to gain the upper hand up front.

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Build a spreadsheet that quantifies the costs (loss in revenue, customer dissatisfaction, etc.) and benefits (reduced support costs, freed up engineers, happier employees) and get it in front of upper management.

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The only mild form of retaliation against the villain was a petite photographer pushing Madoff back to snap a photo of him in front of his Upper East Side apartment.

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