P：学生：still not too clear about the hydrologic cycle,the transfer of water back and forth between the Earth and the atmosphere …
A：老师：你有去tutoring center么？可以去那边有高年级的学生tutor你
P：我有一份打工，估计没时间去
A：期末时候他们会延长辅导时间，不过我能帮你啥么？
P：the hydrologic cycle。。。。I guess what I’m really confused about is how the topography of the land —the mountains and valleys and stuff—affect precipitation.主要是没搞懂地形正面影响降水的。
precipitation降水
A：老师提到了Lake effect snow。。。arctic air blows across the lake from the north in winter, and as the air crosses the lake, the lower layer is warmed by the lake water, which is much warmer than the arctic air.And as this layer is warmed and picks up moisture, it becomes lighter than the air above it …
冷空气接触湖面，然后吸收了水的热量，然后变轻，下面的空气上升，当空气距离岸更近的时候，速度变慢，然后开始pile up（堆积）
然后变成云。。然后降雪等等。
And then it snows because as the air rises, it cools off and loses its capacity to hold water vapor.
Q1：学生找老师做什么？
A1：To discuss material that might be on the final exam
此处的material的意思是考试范围，大纲
Q2：老师说的tutor center是做什么的？
A2：高年级帮助辅导学生科目的，并且期末会延迟开的时间
Q3:对于the hydrologic cycle，学生不懂得point在哪？
A3：学生说搞不懂地形是怎么影响降水得
hydrologic 水文循环
Q4：In the conversation, the professor describes the process that causes lake-effect snowstorms. Indicate whether each of the following is a step in the process.
- Arctic air blows across a lake and picks up moisture. -yes
- Cold air temperatures cause lake water to freeze. -no
and then it snows because as the air rises, it cools off and loses its capacity to hold water vapor
- Frozen lake water cools the air above it. -no
- Water vapor condenses and becomes snow. -yes
--Warm air rises when it reaches the shore. --yes
这个大湖效应的前提是湖面不会结冰。。。所以B是no
背景知识：
1.will it cover everything we’ve done all term, or just what we’ve been doing since the midterm exam?学生找老师画期末考重点。问会包括整个学期的内容不
2. as this layer is warmed and picks up moisture, becomes lighter than the air above it …
习惯用法：
blew the question about it on the midterm exam.
blows across the lake
picks up moisture
arctic air.大西洋的气流
To discuss material that might be on the final exam
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