milk teeth period

例句：

1. 1. The baby's firsttooth is coming in, and it's a good time to start brushingtheir milk teeth.
   宝宝的第一颗牙齿正在长出来，现在是开始给他们刷牙乳牙的好时机。
2. 2. During the milk teeth period,parents should pay attention to the child's diet and oral hygiene.
   在乳牙期，家长应该注意孩子的饮食习惯和口腔卫生。
3. 3.The milk teeth period is an important stagefor children's dental development.
   乳牙期是儿童牙齿发育的重要阶段。