Xiphisterna
n. 剑胸骨( xiphisternum的名词复数 ); [医]剑突, 剑胸骨
🗣️ 情景例句
I have a picture of Grandpa and Dad and me in my wallet.
我皮夹里有一张照片，是爷爷、爸爸和我在一起照的。
Have another piece of cake, please.
请再吃一块蛋糕吧。
He was absent on Monday,Tuesday,Wednesday and Tuesday.How are you all keeping?
星期二、星期三和星期四没去上学。你们身体都好吗？