Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
烤盘上铺一层锡纸,可以防止酱汁焦化后难以清理。Kǎopán shàng pū yì céng xīzhǐ, kěyǐ fángzhǐ jiàngzhī jiāohuà hòu nányǐ qīnglǐ.Lining the baking tray with a layer of aluminium foil can stop burnt sauce from becoming hard to clean.
妈妈用锡纸把鱼包好,放进烤箱里。Māma yòng xīzhǐ bǎ yú bāohǎo, fàng jìn kǎoxiāng lǐ.Mum wrapped the fish in foil and put it into the oven.
他把剩菜用锡纸包起来,这样能保持新鲜。Tā bǎ shèngcài yòng xīzhǐ bāo qǐlai, zhèyàng néng bǎochí xīnxiān.He wrapped the leftovers in foil so they would stay fresh.