Wbc
白血球, 白细胞
🗣️ 情景例句
How many people are there in your family?
您家有几口人？
Did everyone you invited show up?
你邀请的人都来了吗？
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.
沥青坑里积存了水，大象那样的大动物冒险到似乎坚固的水面上去饮水，立即掉进了沥青坑。