It is not always true that a picture is worth a thousand words.

一幅画胜过千言万语，这并不总是正确的。

youdao

This is always true, but this is only true when it is pure roll.

这永远都是成立的，但只有纯滚动的条件下才会成立。

youdao

What is stated in books is not always true.

书本上讲的也有不足为训的。

《新英汉大辞典》

Information written on social web sites is not always true.

VOA: special.2009.02.03

You're allowed Cv comes out here for this adiabatic expansion, which is not a constant volume only because this is always true for an ideal gas.

绝热过程写下,这个式子是因为它对理想气体都成立，并没有用到等容过程的条件,只用了理想气体的条件。

麻省理工公开课 - 热力学与动力学课程节选

So, in general what we see, and this is always true if we're comparing the same atom, and in general, if we're comparing different types of molecules, but we know that a single bond is always weaker than a double bond, which is weaker than a triple bond.

通常我们会看到，这对比较相同原子来说总是正确的，通常，如果我们要比较不同种类的分子，但我们知道单键,总是要比双键弱，双键总是要比三键弱。

麻省理工公开课 - 化学原理课程节选

As is almost always true in forensic-science laboratories, these examiners knew what the case was about.

ECONOMIST: Forensic science

As is always true during a bull market, the case for the asset whose value is rising sounds pretty convincing.

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Which is that stock valuations are forward looking: this is always true of markets, they are forward looking.

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