Precocious birth
[医] 早产
🧩 词语组成解析
birth
[bə:θ]
n. 出生;分娩;起源;出身;
🗣️ 情景例句
Hi, I'm Mary.
嗨，你好，我叫玛丽。
Fortunately,I jumped back in time to avoid being hit.
幸好,我及时跳回来避免被撞击。
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。