您要查找的是不是：
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- The cabin has a flat stone for a threshold. 这间小屋用一条扁平的石头做门槛。
- I'd like a room on the upper level. 我想要楼上的房间。
- The treaty will be the threshold of lasting peace. 这个条约将成为持久和平的开端。
- He was on the threshold of his career. 他的事业刚刚起步。
- My hometown is in the upper reaches of the river. 我的家乡在这条河的上游地区。
- He locked his diary in the upper drawer. 他把日记锁在上层抽屉里。
- He had never crossed the threshold of a bar before. 他过去从未进过酒吧的门。
- He have tattoo the name "marlene" on his upper arm. 他将＂玛琳＂这个名字刺在臂的上方。
- Scientists are now on the threshold of an important discovery. 科学家们很快就会有一项重大发现。
- A band or badge worn around the upper arm. 臂章戴在上臂的绑带或徽章
- A canine tooth of the upper jaw. 上颚犬齿上颚的一个犬齿
- He's between the upper and nether millstone. 他深受上下夹攻。
- This part of town is where the upper class live. 镇上这个地区是上层阶级的人住的。
- He had an infection in the upper respiratory tract. 他上呼吸道感染。
- The Senate is the upper chamber of Congress. 参议院是议会的上院。
- There were beads of perspiration on his upper lip. 他的上唇上有汗珠。
- The lower part of the pipe is separable from the upper part. 管子的下部可与上部分开。
- The tax threshold for a single pensioner is 450 dollars. 单身养老金领取者的征税起点是450美元。
- The court is not legally justified in stopping at the threshold of the case. 一开始就使案件停止不前，法院这样做是完全不合法的。
