Lignine
木质素
🗣️ 情景例句
They'll be here soon, and then we'll eat.
他们马上就到。他们一到就开饭。
Would you like to leave your name?
你想要留下你的名字吗？
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。