Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
科研人员通过年轮判断干旱在过去几个世纪中的变化规律。Kēyán rényuán tōngguò niánlún pànduàn gānhàn zài guòqù jǐ ge shìjì zhōng de biànhuà guīlǜ.Researchers use tree rings to determine patterns of drought over the past several centuries.
树桩上的年轮越密,说明这棵树长得越慢。Shùzhuāng shàng de niánlún yuè mì, shuōmíng zhè kē shù zhǎng de yuè màn.The denser the rings on a stump, the slower the tree grew.
数一数年轮,就能知道这棵树有多少岁。Shǔ yi shǔ niánlún, jiù néng zhīdào zhè kē shù yǒu duōshao suì.Count the rings and you can tell how old this tree is.