嗡嗡作声

Any of various insects of the family Cicadidae, having a broad head, membranous wings, and in the male a pair of resonating organs that produce a characteristic high-pitched, droning sound.Also called cicala

蝉，知了：蝉科中的各种昆虫，有宽大的头部和膜状翅，雄性有一对共鸣器官，发出独特的高音调嗡嗡声也作 cicala

When Frederick Delius explained his master piece "Summer in the courtyard" he quoted an anonymous poem," Roses and lilies, countless fragrant flowers, butterfly flashing wings, coming through the flowers, the brown bee dancing in the warm summer air, gently flowing river beside of old trees, the sound of birds coming through distance ..."

音乐家戴留斯在对其所作管弦乐《夏日的庭院》解释的时候曾引用过一首无名诗：&玫瑰与百合，无数芬芳的花朵，彩蝶闪动翅膀，往返穿梭于花丛中，金褐色的蜜蜂在温暖波动的夏日的空气中嗡嗡飞舞，老荫树下，河水缓缓流过，水鸟清越的啼声远远传来。…。。&。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。