He thought for a moment, stroking his well-defined jaw.

他抚摸着他棱角分明的下巴想了一会儿。

Today's pawnbrokers operate within well-defined financial regulations.

现今的当铺老板按照明确的金融法规来经营。

As the animals develop at different rates, some of the cows here still have well-defined rib cages, "They've got a bit further to go. " he says.

由于动物以不同的速度生长着，这儿的有些牛身上还有清晰可辨的肋骨架，“他们还要再养一段时间。” 他说。

The opportunity is well-defined.

这一机遇得到了明确阐述。

Still, there will be a well-defined average.

仍然会有定义明确的平均值。