人造血液已经问世?

短语讲解：

1. Supplies are not guaranteed and often heavily reliant on voluntary donors.

be reliant on依靠，依赖
例句：The charity is completely reliant on public donations.
这一慈善团体完全依靠公众捐款。

2. One of them is Professor Mark Turner who is hopeful that his team's work on red blood cells will be a precursor to work on other cell types.

work on致力于…
例句：He has been working on a new novel for over a year now.
近一年多来, 他一直在写一部新小说。

3. For example, it could lead to the production of heart muscle cells for people who've had heart attacks, or liver cells for people with liver failure.

lead to导致, 引起
例句：An ordinary cold can soon lead to a fever.
一场普通的感冒很快便会引起高烧。

4. The other is that they generally appear to create bad molecules, they're made of iron - so our products are like the normal blood product for carrying oxygen consists of iron it, so it can transport oxygen.

be made of用…造成(用于原材料显而易见的场合)
例句：The table is made of wood.
桌子是木制的。

5. Particular problems of the blood substitutes are you have to make so much of the product that as opposed to a normal pharmaceutical where you have to make a tiny amount in a pill, we have to make an armful, so a huge amount.

as opposed to完全不同, 截然相反, 反对, 对照
例句：I am here on business as opposed to a holiday. 
我在这里是办公事而不是度假.

6. In the meantime all the scientists want to remind us all of the importance of donating blood.

remind of使(某人)想起…; 就…提醒(某人)
例句：He reminded me of what I should otherwise have forgotten.
亏他提醒我, 要不然我就忘了。