Zzy is the abbreviation of Leofoo brand. Generally, it is engraved on the inner ring of jewelry. Every jewelry in Leofoo has undergone strict inspection before leaving the warehouse to ensure that the goods are intact before leaving the warehouse.

　　Domestic precious metal jewelry is clearly marked with material, gold content, template number and ring diameter. In domestic professional terms, there is no such thing as thousands of gold, which is generally expressed by au999 or 24k.

　　ZZY and PL are not the same thing. ZZY refers to early pregnancy test paper, which is used to test whether you are pregnant or not. PL refers to ovulation test paper, which is used to test when ovulation occurs. PL test paper is usually used every day 3 days after menstruation, and it is best to test it at the same time every day. Do not drink water or urinate in the morning for two hours before the test. R "The colors of the upper and lower lines are basically the same, or the lower line is deeper than the upper line, which means that you will ovulate within 2448 hours. Only a purple line appears, indicating anovulation. This is the instruction, and there are detailed instructions on the outer packaging of the test paper. As for being weak or strong, everyone judges according to the explanation. Generally, two lines are as deep as strong, and they are called weak yang or weak yang according to the shallow degree.