It can run at the speed of up to 50 km/h on the tracks.
它在轨道上运行的速度能达到每小时50公里。
Whereas under these conditions, these quantities, if you look at free energy change, for example at constant temperature and pressure, H you can still calculate H.
但是,在这些条件下,这些物理量,如果我们考察自由能的变化,例如在恒定的温度和压强下,我们仍然可以计算。
The drug is nevirapine. If it is given within seventy-two hours after birth, it can often protect babies from H.I.V.
VOA: special.2010.05.24
H- *H + e-> H-* And, clearly, we can't do both.
到一个电子生成*,但我们发现我们不能同时做到两个。
The other thing is that we can re-write our h c n in terms of bonds.
还有一件事是我们可以用键的形式来表示氰化氢。
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