Sperm-nucleus
[医] 精核
🧩 词语组成解析
sperm
[spə:m]
n. 精子;精液;鲸蜡油;
🗣️ 情景例句
What's the bottom line?
究竟是怎么回事？
I'm pressed for money.
我苦于没钱。
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。