a hormone produced by the anterior pituitary gland; promotes growth in humans
例句
用作名词 (n.)
The reason may involve growth hormones fed to cows. 原因可能与给奶牛用生长激素有关。
Urine contains sex hormones, insulin and growth hormones as well. 尿还含有性激素，胰岛素和生长激素等。
An auxin increases the growth in length of a plant cell, thus causing the curving of a stem, or roof, in phototropism and geotropism. 植物生长素能加快植物细胞长势，因此使茎弯曲向着阳光，或使根深扎入土。
美
