Asternal ribs
[醫] 弓肋, 假肋
?? 詞語組成解析
a. [解]不連胸骨的, 無胸骨的
n. 肋骨；排骨（rib的復數）
??? 情景例句
so it's my pleasure
所以現在我很樂意
No, it isn't. It's a bus.
不，那是一輛公共汽車。
As there are so many people about, the dogs have to be kept in a special enclosure.
由于來人太多，狗被關在專門的圍欄里。