Seismometer
[ [saiz'mɔmitə] ]
辅助 Assistant
n. 地震检波器
🗣️ 情景例句
He wrote some nice articles on Mom
他写了一些介绍妈妈的好文章
I know the boy whose father is a pilot.
我知道那个男孩的父亲是飞行员。
I got up early and bought thirty-seven cards.
我早早起了床，买来了37张明信片。