Lignins
(lignin 的復數) n. 木質素\\n[化] 木質素; 木素
??? 情景例句
Would you tell me something about your family?
請告訴我一些你的家庭情況，好嗎？
His failure was a lesson to us.
他的失敗是我們的一個教訓。
Some of the apples are hard to reach.
有些蘋果很難夠得著。