哈里觉得看到她有种难以言喻的哀伤。Harry thought the sight of her was inexpressibly poignant.那音乐有一种梦幻般的哀伤。The music has a dreamy, elegiac quality.他四处走着,神色哀伤。He was walking around with a sad face....
粘结剂对纤维的集束性能是必需的.A binder is necessary for strand integrity.在混凝土中水泥是粘结剂.Cement is the bond in concrete.对所有粘结剂粘结的首先要求,就是必须能浸润基材.The first requirement for any adhesive bond is that the adhesive most wet the substrate....
The material is a semiconductor called gallium manganese arsenide.这种材料是一种叫做镓锰砷化物的东东.Abdominal adenopathy is usually rated by computerized abdominal tomography, gallium scanning, ultrasonography, or lymphangiography.腹腔淋巴结...