So, it is the word " vaccine, " based on the Latin word for cow – vaca – that stuck.

所以，" vaccine" 这个词是根据拉丁语中表示奶牛的词vaca而来的。

Heh-hey, Will! How was the vaca...

威尔 假期如何。

So, the original idea, the word " vaccine, " comes from " vaca, " or cow.

SB：所以，最初的想法，“疫苗”这个词来自“vaca”或牛。

As well as bringing expertise, Chevron has promised an initial investment of $1.24 billion in Vaca Muerta as part of its joint venture with YPF.

雪佛兰已经承诺首轮投资金额会达到12.4亿美元，并且会带来专业技术。