您要查找的是不是：
- A commerce school and a navigation school. 商业学校、航海学校等等。
- Army Air Forces Navigation School 陆军航空队导航学校
- United States Air Force Navigation School 美国空军导航学校
- Canadian Forces Air Navigation School 加拿大部队航空导航学校
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- The busy road outside the school is a menace. 学校外面那条车水马龙的大道是个危险之地。
- He was expelled from the school. 他被学校开除了。
- A flu epidemic raged through the school for weeks. 流感在这所学校里蔓延了几个星期。
- A church, school, hospital, asylum, or prison is an institution. 教堂，学校，医院，收容所或监狱皆属公共机构。
- One's school life seems happier in retrospect than in reality. 人们的学校生活回想起来要比实际上的快乐。
- The compass is an instrument of navigation. 罗盘是航行仪器。
- My husband is a history teacher at the local school. 我丈夫是本地学校的一位历史教师。
- English is not the usual medium of instruction in our school. 英语不是我校通常使用的教学语言。
- Some students quit school due to poverty. 一些学生因贫困而辍学。
- Every day he trod the same path to school. 他每天都走同一条路上学。
- I know all the ins and outs of our school building. 我知道我们教学大楼的一切情况。
- The theory and practice of aircraft navigation. 航空学飞机航行的理论与实践
- Illness kept the boy behind in his school work. 那个男孩因生病而功课落后了。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- Who is the boy in the official school cap? 那个戴校帽的男孩是谁？
