Galactometry
[医] 乳[液]比重测定法
🗣️ 情景例句
If you have time around Christmas, please come to visit my family.
如果你圣诞节前后有空，欢迎到我家来玩。
Fill it up with unleaded and check the oil,please.
请加满不含铅的汽油，并检查一下机油。
Follow me.
跟我来。