Stethopolyscope
[医] 多管听诊器(教学用)
🗣️ 情景例句
It might be simpler and less expensive .
这样可能比较简单而且省钱。
He realized that he was heading in the wrong direction.
他意识到走错了方向。
$24.95 per hundred pieces.
一百个美金二十四块九毛五。