You can effectively influence your pup's behavior and mental development even in its first four weeks of life. 即使在幼犬刚出生的头四周里,你也能很有效的影响他们的行为与智力发育。
It is not clear how subclinical hypothyroidism,where there is normal thyroxine,impairs fetal brain development. 妊娠期亚临床甲减影响后代智力发育的确切机制尚不清楚。
His mental development kept pace with the growth of his body. 他的智力发展和他的体格发育齐头并进。
Each must traverse the same intellectual scale of development, and each must master the same spiritual tests of progression. 每个必须通过同样的智力发展的衡量,并且每个必须精通同样的灵性发展试验。