常見例句雙語(yǔ)例句Is your heart a closed bundle of scar tissue?你的心中是不是滿是傷痕？When dead leaves break away, they leave behind waxy cells that form a small bud called a bundle scar.樹葉掉下之后，留下一些細(xì)胞，形成一種被稱作維管束痕的小牙。 返回 bundle scar