Xiphisternum
n. [解][动]剑胸骨
🗣️ 情景例句
You hit the nail right on the head.
你说对了。
Did you wash this yourself?
你自己亲自洗了这个？
I like reading English books, but they're sometimes rather hard.
我喜欢看英语书，但有时候英语书相当难读。