S.l.a.
[医] 左骶前(胎位)
🗣️ 情景例句
Let's meet with Charley at the university club.
我们就去大学俱乐部见见Charley吧。
Oh, really? I'm moving there too.
真的？我也会搬到那儿去。
Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-