Mulching
v. 用护根覆盖（植物根部或其周围地面）( mulch的现在分词 )
✅ 同义词
🗣️ 情景例句
Please give him the message.
请转告他。
If you lie upon roses when young, you'll lie upon thorns when old.
年青时躺在玫瑰上，老年时就会躺在荆棘上。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子