A constitutional amendment precludes any president from serving more than two terms.一项宪法修正案使得任何总统的任职不得超过两届。The surface reactivity of many nonblack fillers generally precludes strong bonding with this type of matrix.许多非碳黑...
虽然我很讨厌去，但也就此一回了。Much as I hate to go, it's now or never.这么多年来，头一回有人要我出示身份证。For the first time in many years, I got carded.还有一回，我一接电话，就掉线了。On another occasion I answered the phone and the line went dead....