英语语法分析

Fussiness about food is a normal part of a child's development.

对食物哭闹在儿童成长过程中是正常的。

Fever and fussiness without an apparent cause may result from UTI.

发烧或无明显原因的生气可能是泌尿道感染所致。

Furthermore, many mothers have found that vitamin or fluoride supplements may cause fussiness or colic in their infants.

此外，许多妈妈发现，维生素或氟化物补充剂可能导致某些宝宝哭闹或出现腹绞痛。