P. r. n.
[医] 需要时, 必要时
🧩 词语组成解析
[医] 有机根, 列[奥谬尔]氏, 远的, 呼吸[作用], 呼吸音, 立克次氏体属\\n 右的, 右侧的, 本肯氏单位(X线), 粗糙型菌落, 残余, 剩余, 残渣, 残基
abbr. 名词
🗣️ 情景例句
I take this threat very seriously.
我认为这种威胁非同小可。
He is unworthy to live who lives only for himself.
为己而生，生而可耻。
In the morning, Mr.Sawyer goes to work and the children go to school.Their father takes them to school every day.
早上，索耶先生去上班，孩子们去上学。父亲每天送孩子们去上学。