Yakov
n. (Yakov)人名；(俄)雅科夫；(以)雅各布
🗣️ 情景例句
with my children and grandchildren.
与儿子、 孙子们在一起。
We continued to struggle up the steep slope of the mountain.
我们为了攀登山的陡坡，不断地倍尝辛劳。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。