Seismometry
n. 测震学
🗣️ 情景例句
Somebody else'll buy it by then.
别人也许买走了。
Children enter primary school at the age of 7.
孩子们7岁进小学。
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。