慢速英语:Growing Vegetables Without Soil Inside the Home

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短语讲解：

1. It lacks soil and does not look like a normal vegetable garden.

look like 看起来与（某人或某物）相像[相似]
例句：You look like a nice upstanding young man.
你看起来像是一个正直的好青年。

2. He says that instead of using the complete plant as food, scientists take only a small part of it – cells – and grow them in a bio-reactor.

instead of （用…） 代替…， （是…）而不是…
例句：A spirit lamp burns spirits instead of oil.
酒精灯里点的不是油而是酒精。

3. In other words, the device could help save natural resources.

in other words 换句话说; 就是说
例句：The mobile library services have been reorganised — in other words, they visit fewer places.
流动图书馆服务重新作了安排——换句话说，他们去的地方减少了。