Parotin
腮腺激素, 唾液腺素
🗣️ 情景例句
They hardly ever see each other.
他们几乎彼此不碰头。
We used to have a lot of interesting friends.
我们过去常有很多有趣的朋友。
'You should have declared that.
“你刚才应该申报，