He was wearing a carnation in his buttonhole.他在扣眼里插了一朵康乃馨。He had a white carnation in his buttonhole.他在纽扣孔上佩了朵白色康乃馨.My flower, seek not thy paradise in a fool's buttonhole.我的花朵啊, 请别在傻瓜的长谈里寻觅你的极乐世界....
General targets have hydrogen peroxide, sodium hypochlorite, potassium permanganate, and so on.一般的氧化剂有过氧化氢 、 次氯酸钠 、 高锰酸钾等.Optimum conditions of kraft pulping and single stage hypochlorite bleaching were investigated.研究了桑...