Let's take the situation where we take a violin string and we pluck it.
让我们设想这样一个情景,我们拿着小提琴的弦弹拨它。
We have no idea how many women grow hair on their faces, because the vast majority will pluck it out.
我不知道有多少女性面部长有毛发,因为大部分人会把它拔掉。
When you sleep through the alarm or simply need an extra 10 minutes, you can just pluck it off the hanger and go.
当你睡着一直没听见闹钟,或者只是需要多睡10分钟的时候,你可以把闹钟从衣架上拿下来就走。
Let's take the situation where we take a violin string and we pluck it.
让我们设想这样一个情景,我们拿着小提琴的弦拉直它。
Here is the pitch in--of--a string an octave higher so you can see it this way. As you probably know, if you take a long string and pluck it, it's going to take that long string a long time to pass that sort of cycle, if you will, just one pass through that cycle.
这也是个音高,一个高八度的音弦,你可以这样这样看 你们可能知道,如果你拨动长弦,长弦要经过很长时间,才能完成一个震动周期,如果你想,可以尝试下
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