Instead they made that essence, a piece of DNA that carries about 1,000 genes, from off-the-shelf laboratory chemicals.
相反，他们用实验室现成的化学药剂，自己造出了那个“实质”：一段载有约1000条基因的DNA。
Instead they made that essence, a piece of DNA that carries about 1, 000 genes, from off-the-shelf laboratory chemicals.
相反，他们用实验室现成的化学药剂，自己造出了那个“实质”：一段载有约1000条基因的DNA。
If you're working with a dresser, add another piece or shelf above the dresser for extra storage, she said.
她说如果你要制作一个梳妆台，可以在梳妆台上再添一层搁板或者架子，用来存放更多东西。
I see very clearly, I said, and as soon as I earn enough money to buy a saw and a hammer and a piece of lumber I shall do my best to make a simple chair or a shelf for books.
我说，我彻底明白了，等我挣够了钱买到一把锯子、一个锤子和一块木料后，我就好好地做一把简单的椅子和一个书架。
This piece of wood is just the right length for that new shelf; it could have been made to measure.
这块木头正好够那架子的长度，它好象是定做的。
This piece of wood is just the right length for that new shelf; it could have been made to measure.
这块木头正好够那架子的长度，它好象是定做的。
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