Spermine
n. 精素\\n[化] 精胺; 精素
🗣️ 情景例句
Run it by me again, if you don't mind.
不介意的话，请再说一遍。
Turn left at the second light and then go straight for two blocks.
到第2排红绿灯处往左拐，然后一直往前走，过两个街区。
One packing case was crushed.
有一个箱子全压坏了。