If you remember the shape of Italy, it is because you have been told at some time that Italy is shaped like a boot.
如果你记得意大利的形状,那是因为曾经有人告诉你意大利的形状像一只靴子。
You got like a surfboard-shaped board and put wheels on it.
你有一个冲浪板形状的板,在上面装上轮子。
But you will be making a big mistake if you think it will happen this time: there will be no V-shaped recovery; perhaps no recovery at all.
如果你认为这次也会发生同样的事情,那你就大错特错了:这次没有V形复苏;甚至根本就没有复苏。
So it's trigonal because we have these three atoms that are bound to the central atom here, and if you picture it, it's actually shaped like a pyramid.
这里三角形是因为,我们有3个原子核中心原子成键,如果你画它,它就是金字塔形的。
So you got like a surfboard-shaped board and put wheels on it, so they could ride it.
找一块冲浪板形状的板子,加上轮子,就可以滑了。
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