black willow

同根派生

Black willow trees usually grow along lakes and streams, where they help prevent erosion (the wearing away of soil by water).
黑柳樹(shù)通常長(zhǎng)在湖畔及谿旁，能有傚預(yù)防侵蝕((土壤受水沖刷竝帶走))；
Black willows have blackish-colored bark and are known to have several trunks on one tree.
黑柳樹(shù)有黑色的樹(shù)皮，而且同一株樹(shù)擁有好幾個(gè)樹(shù)乾；
He was in black from crew to earing.
他全身上下都穿著黑衣服。
He whipped up a pistol and shot at the black bear.
他急忙抓起手槍?zhuān)瑫谀穷^黑熊射擊。
Many people were taken off by the Black Plague.
許多人被黑死病奪去了生命。