Basis ossis sacri
[医] 骶骨底
🧩 词语组成解析
basis
['besɪs]
n. 基础;主要成分;基准，基本原则;
骨髓腔
🗣️ 情景例句
How long will this be on sale?
这种商品减价时间有多久？
I had never seen a grown man break down and cry.
我从未曾看到过一个这么强壮的汉子痛哭失声。
but one day, after heavy shower, I happened to be walking in my garden when I noticed a huge number of snails taking a stroll on some of my prize plants.
后来有一天，一场大雨后，我在花园里漫无目的散步，突然注意到许许多多蜗牛在我的一些心爱的花木上慢悠悠的蠕动着。