许多阿拉斯加内陆乡村是渡船和火车所不能到达的。
Many of Alaska's villages are inland and not serviceable by ferry or rail.
而牙线可以进到牙刷不能到达的地方:牙间隙,牙龈边沿。
And dental floss can go where no brush has gone before: between teeth, along the gumline.
因为植物为了生存需要阳光,所以他们在阳光不能到达的深海是不会存在的。
Because plants require sunlight in order to live, they're absent deep in the ocean where the light of day never reaches.
The point I'm trying to make is, fixed-program computers is where we started, but it doesn't really get us to where we'd like to be.
我要指出的一点是,我们从固定程序计算机开始说起,但它并不能让我们到达我们想去的地方。
They get arrested in the G1 phase, for example, and they never progress through to the S phase where they synthesize DNA.
就比如说它们在G1期停滞不前,永远不能到达,合成DNA的S期
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