Galactometry
[医] 乳[液]比重测定法
🗣️ 情景例句
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
what's his native language?
他的母语是什么？
Their parents usually tell them that Father Christmas will come during the night.
他们的父亲通常告诉他们，夜间圣诞老人会来的。