Amnios
abbr. 羊膜穿刺术（amniocentesis）
🗣️ 情景例句
You have lots of time to decide.
你有很多时间做决定。
Catch the bear before you sell his skin.
大事未成时，莫开庆功宴。
He knew I collected match boxes and asked me whether my collection was growing.
他知道我收集火柴盒，于是问我收藏的米柴盒是否在增加。