in the presence

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  • 含有坚硬颗粒的水,给密封带来一个难题. Recently the reactivity of nitric esters in the presence of hydrazine has been investigatedx0d人们近来研究了有肼存在时硝酸酯的反应性. Xifeng was anxious for news of her husband but had not liked to question Zhaoer too closely in the presence of others.x0d"凤姐见昭儿回来,因当着人未及细问贾琏,心中自是记挂" He could mesmerize an audience by the sheer force of his presence(Justin Kaplan)x0d他只要一出场,观众就为之倾倒(查士丁·卡普兰)