t f Fall Time 下降时间
F fall back on 求助于
f-fail-fall- 倒下
F re e fall 自由落体自由市场与全球经济的沉沦
Fall Semester F 秋季课程
On the ground, global temperatures would fall by a little over 1 degree Celsius (C) (1.8 Fahrenheit (f)) over first three years.
在地面上，头三年全球的气温会降低1度多一点(1.8华氏温度)。
The F. A. A. has an additional 164 permit applications pending, and early this fall expects to release new rules, which Mr.
联邦航空局有一附加的164号许可证申请待定，早期的这个结论期待着新规定的出台。
"A man may die, nations may rise and fall, but an idea lives on." -john F. Kennedy.
人有生死，国有兴亡，但是精神却能长存。-约翰·肯尼迪。
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