您要查找的是不是：
- speed of free flexual wave 自由弯曲波速
- The politician cops out on the issue of free trade. 那政客对自由贸易的问题只是一味逃避。
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- The hurricane has a speed of 73 miles per hour. 飓风每小时73英里。
- The speed of a runaway horse count for nothing. 脱缰之马的速度毫无价值。
- They are advocates of free trade. 他们是自由贸易的倡导者。
- The speed of light is an important constant. 光速是一个重要的常数。
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- An obstacle to or a censoring of free speech. 言论限制对言论自由的审查或言论自由的障碍
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- The law of freely falling bodies is stated as follows: in the absence of air the speed of a falling body does not depend on the body's weight,but only on the time of the fall. 自由落体运动定律可叙述如下：如无空气，落体的速度不取决于其重量而只取决于下落的时间。
- The law of freely falling bodies is stated as follows: in the absence of air the speed of a falling body does not depend on the body's weight, but only on the time of the fall. 自由落体运动定律可叙述如下：如无空气，落体的速度不取决于其重量而只取决于下落的时间。
- One of our cherished privileges is the right of free speech. 我们所珍视的权利之一是言论自由。
- Rapidity or speed of motion; swiftness. 迅速，快速运动的快速或速度; 迅速
- If he wants my vote he'll have to take a stand on the question of free trade. 如果他要我投他的票，他就必须在自由贸易问题上采取坚定的立场。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- He has a lot of free time he spends most of it in the garden. 他空闲时间很多－－大都消磨在花园里了
- The frequency, wave length and speed of sound are closely related. 频率、波长和声速三者是密切相关的。
- A closely related concept is that of free valence. 一个密切有关的概念是自由价。
- The frequency, wave length, and speed of sound are closely related. 频率，波长和声速三者是密切相关的。
