a man with heavy jowls下巴底下一堆肉的男人Whiskers grew luxuriantly from his ample jowls.他长着浓密的络腮胡子.He had a long lugubrious face with drooping jowls and soft pouches beneath the eyes.他有着阴沉的长脸,下垂的下颚,眼睛下面的眼袋松泡泡的....
His remark did not pertain to the question.他的话同这个问题不相干.I'm afraid that your remark does not pertain to the question.恐怕你的话与这一问题不相干.It does not pertain to you to instruct him.你不适合教训他....
Exciton is electron - hole pair held together by their mutual Coulomb interaction.激子就是由电子和空穴在相互间的库仑力作用下,相互维持在一起的电子 -- 空穴对.As to the emission at 370 nm, It'should result from exciton recombination radiation.而在370nm处的...