硅胶这种物质无孔所以更容易保持清洁，会随着体温变热而且不含邻苯二甲酸盐。

It is nonporous so it stays cleaner, it warms to the body temperature and it doesn't contain phthalates.

youdao

硅胶这种物质无孔所以更容易保持清洁，会随着体温变热而且不含邻苯二甲酸盐。

It is nonporous so it stays cleaner, it warms to the body temperature and it doesn't contain phthalates.

youdao