Between your middle ear and your throat there is a passage called the eustachian (say: yoo - stay -she-un) tube.
耳朵感染是怎样引起的？中耳和咽喉之间的通道叫耳咽管。
especially in the New England and Middle Atlantic states, were generally literate and at home in arithmetic and in some aspects of geometry and trigonometry. （NETEM 1996 Passage 4, paragraph 3）
正是因为有了这些学校，我们的早期技工才普遍能读会写，并精通算术及部分几何和三角，这种情况在新英格兰和大西洋中部各州尤为可见。
A single continuous skylight centered down the middle of the gallery marks the passage of time without harming the cherished art held within.
延伸的单个天窗位于走廊中间，表明时光的流逝，不损伤室内保存的珍贵艺术品。
It is urgent to correct the dislocation and straighten the passage of Chinese education in normal college and middle school.
纠正这种错位现象，疏理高师和中学语文教育的通道刻不容缓。
This passage mainly analyzes the reasons from family, society, school, individual, and gives some relevant strategy to solve the problems of these students in middle school.
文章从个人、家庭、学校、社会等方面对初中学困生成因进行分析，并针对学困生的转化问题，提出了相应的策略。
Availability, dependability and system availability of the double-passage air-to-air middle-far-distance missile weapon system are analyzed. And the efficiency count formulas are given.
分析并给出了双通道空空中远程导弹武器系统的可用性、可信性、系统能力和效能计算公式。
Availability, dependability and system availability of the double-passage air-to-air middle-far-distance missile weapon system are analyzed. And the efficiency count formulas are given.
分析并给出了双通道空空中远程导弹武器系统的可用性、可信性、系统能力和效能计算公式。
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