Size:high back, medium back, low back, cantilever.

规格：高背，中背，弯管。

youdao

Well, some of the energy is going to be reflected back, and some of it is going to be transmitted into the second medium.

有些能量会被反射回来，有些则会被传送到第二种介质中。

youdao

If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.

而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。

youdao

The bulls are trying to cement a bottom on the daily chart and turn the medium term technical trend back to bullish.

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With the mixer at medium speed, and standing back slightly, carefully pour in the hot syrup, pouring it between the beater(s) and the side of the bowl.

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That's what the President believes -- that's why the President believes we have to take some further steps to ensure that we get back to economic growth, but also that we get back to a medium- and long-term recipe for fiscal responsibility.

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