Lignin
n. 木质素\\n[化] 木质素; 木素
🗣️ 情景例句
But let's keep looking.
让我们继续看下去。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
When he returned to India he spoke in public about the situation in South Africa.
当他加到印度之后，他还就南非的形势公开发表演说。