Spermine
n. 精素\\n[化] 精胺; 精素
🗣️ 情景例句
Would you like to join us?
你想一起去吗？
Littel chips light great fires.
星星之火，可以燎原。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。