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- The difference of the marks between the geoid and the spheroid is determined by the direction of geological processes in upper envelopes of the earth. 地球体与球体之间标志的差异，是由地球外壳中地质作用的方向所确定的。
- Have you stuck down the back of the envelope? 信封背面开口处贴牢了吗？
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- He steamed the stamp off the envelope. 他用蒸汽把信封上的邮票揭下来。
- I'd like a room on the upper level. 我想要楼上的房间。
- He glued a stamp onto the envelope. 他把邮票贴在信封上。
- As he picked up the envelope, a key dropped out. 他拣起信封时，一把钥匙掉了出来。
- As she picked up the envelope, a key dropped out. 她拾起信封时，一把钥匙掉了出来。
- Put a stamp on the envelope, will you? 在信封上贴张邮票，好吗？
- He stuck a stamp on the envelope. 他在信封上贴上邮票。
- My hometown is in the upper reaches of the river. 我的家乡在这条河的上游地区。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
- He locked his diary in the upper drawer. 他把日记锁在上层抽屉里。
- The envelope's seal was torn open. 信封封缄被撕开了。
- The (flap of the) envelope was unstuck. 信封(的封口)没粘住。
- He have tattoo the name "marlene" on his upper arm. 他将＂玛琳＂这个名字刺在臂的上方。
- There are several enclosures in the envelope. 信封内装有几份附件。
- A band or badge worn around the upper arm. 臂章戴在上臂的绑带或徽章
- An envelope or wrapper for mail. 封套，信封为邮寄而制的信封或封套
- A canine tooth of the upper jaw. 上颚犬齿上颚的一个犬齿
