| It's used as an expression of pleased astonishment, or at least it was when I was a boy. |
| This indicates that expression of the transgene occurs in tubers while the endogene seems to be silent. |
| But at the same time, he chose a method of expression that assured secrecy and anonymity. |
| Josh ranted, too absorbed in his words to notice the incredulous expression his companion was wearing. |
| Taking a deep breath, he squared his shoulders, hoping that his expression did not betray his fright, or the pounding of his heart when he spoke. |
| They might be an expression of aesthetic appreciation, or they might be applied as part of a knowledge system. |
