bitter bark

同根派生

A tall, usually evergreen East Indian tree(Azadirachta indica) widely cultivated in tropical Asia for its timber, resin, bitter bark, and aromatic seed oil.
印度楝樹木很高，常青的東印度樹（印度楝楝屬）因其木材，樹脂，苦樹皮和芳香的種子油而普遍種植于亞洲的熱帶地區(qū)
The defeat was a bitter pill to swallow.
那次失敗是一次難以吞咽的苦果。
Those trees have very beautiful white bark.
那些樹長著非常漂亮的白色樹皮。
It is really a bitter pill to swallow at that time.
在當(dāng)時(shí)，那真是一件不得不忍受的苦事。
Not only did the dog bark at him, but (it) bit him.
這只狗不但對他吠叫，而且咬了他。