chūn / tiān / dào / le / zhī / tiáo / dǐng / duān / de / dǐng / yá / kāi / shǐ / màn / màn / zhǎn / kāi

春天到了，枝条顶端的顶芽开始慢慢展开。

When spring arrived, the terminal buds at the tips of the branches began to open slowly.