大学英语四级常用短语 be very useful at
大学英语四级常用短语 be very useful at
释义:
be very useful at 精通
例句:
But today it has announced FDA approval for Tygacil, a new antibiotic that may be very useful at treating infections where there are multiple types of resistant bacteria, or where the pathogen can't be identified.
If the shares are to be useful, at the very least there must be pricing coherence.