Spermine
n. 精素\\n[化] 精胺; 精素
🗣️ 情景例句
How is everyone in your family?
全家都好吗？
Don't whistle until you are out of the wood.
没有脱离险境，不要过早高兴。
The price just covers the cost.
这个价格正好抵消成本。