Paln
abbr. 主動(dòng)脈旁淋巴結(jié)（paraaortic lymph node）
??? 情景例句
Just because the other kids have motor scooters is no reason for you to stop riding your bike to school.
只是因?yàn)槠渌暮⒆佣加须妴诬?chē)上學(xué)，不足以成為你不騎車(chē)上學(xué)的理由。
When the fruit is scarcest, its taste is sweetest.
物以稀為貴。
His previous attempts had been unsuccessful.
他以前的嘗試沒(méi)有成功。