When the Christmas musical box, music resounds, Christmas old man swinging.圣诞音乐盒, 音乐响起时, 圣诞老人会摆动.The sound of waves resounds everywhere.深渊与深渊响应.Your voice resounds like a songbird's, every word is a sweet, soft song...
"He's gone," Rory whispered in sepulchral tones.“他已经走了，”罗里阴沉地小声说道。He spoke in sepulchral tones.他说话语气阴沉。He made his way along the sepulchral corridors.他沿着阴森森的走廊走着。...
它为制取1.6-二羰基产物开辟了广阔天地.This opens up a wide field of 1.6 - dicarbonyl products.这些部位包括羧基 、 羰基 、 环氧基和氨基等.These sites include, carboxyl, epoxy, amino and the like.对羰基的加成作用是有机化学中最重要的反应之一.Addition to carbonyls is one of the mos...