P.a. system

成人 Adult Edu

🧩 词语组成解析

p.a.
每年\\n[医] 髓轴的
system ['sɪstəm]
n. 体系，系统;制度;身体;方法;
sy(syn-=together)+ste(to stand)→系统；体系；秩序；制度；方法

🗣️ 情景例句

They don't ask how much someone paid for something.
他们不问别人买某个东西要花多少钱。
Archeologists still can only surmise as to the origin of Man.
考古学家们对于人类的起源依然无法推测。
In five hours' time!
5个小时以后！
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🔤 更多 P 开头的单词

paratriptic
pay one's debt to nature
personal action
phenolic material
plastic motor
pop up
powdered digitalis
primitive period
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