but he's passionate about designing his own,但他热衷于独自研究

be passionate about:对 ... 充满热情

They are passionate about education.

他们热爱教育事业。

Those who teach at home are passionate about it.

在家教育子女的家长们对此充满激情。

And so far it hasn't but we keep searching.目前为止还没有，但我们仍在继续寻找着

so far:迄今为止；到某个程度

It's the hottest day I've had so far.

这是迄今为止我经历的最热的一天。

But while he remains committed to preventing telomere-shortening,然而当他正致力于研究如何阻止端粒缩短时

commit to:把 ... 托付给； 把 ... 置于

We can commit to placing orders for twelve months.

我们可以保证一年内都跟你们订货。