Fluogermanate
氟锗酸盐
🗣️ 情景例句
I know who you are.
我知道你是谁。
Salt water and absence wash away love.
远离久别爱情淡。久别情淡？
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。