precludes的例句（precludes在句子中的用法）

• This precludes placing therapeutic levels of drugs in the feed as a method of treatment. 这妨碍在饲料中按治疗法放入治疗量药物.
• The surface reactivity of many nonblack fillers generally precludes strong bonding with this type of matrix. 许多非碳黑填料的表面反应性一般阻碍与该种基质形成牢固的粘结.
• 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。
• 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。
• At 84, John feels his age precludes too much travel... 84岁的约翰感到自己年事已高，不能进行太多的旅行。