Nitrolignin
硝化木素
🗣️ 情景例句
The new plan needs you.
这项新计划需要你的协助。
An owl is the king of the night.
猫头鹰是黑夜之王。
A drink? We've only just started! There are twenty more trees to be planted!
喝水？我们才刚刚开始！还有20多株树要种呢！