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

No. I really don't know how to go about it.
没有。我真不知道如何填。
Hold on.
等一会儿。
So their entry into this flat was apparently not the burglars' first job that day and they must have been disturbed.
很明显,闯进这套公寓的窃贼那天并不是首次作案,而且他一定受了惊吓。
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