Lignin
n. 木质素\\n[化] 木质素; 木素
🗣️ 情景例句
Have you been here to see Dr. Tyler before?
你曾来过泰勒医务所看过医生吗？
Straightforward communication is usually more appreciated.
坦率地交流常常更值得推崇。
Once waves have been generated,
一旦波浪形成，