Permutational
变调的\\n变换的
🗣️ 情景例句
We love you, Grandpa.
我们爱你，爷爷。
Rivers need a spring.
大河要有源头。
Some live in large groups like the honey bee, and make their nests in trees or holes in the rocks.
有些蜂如蜜蜂是群居在一起，在树上或岩洞里筑巢。