常見(jiàn)例句用作形容詞 (adj.)Primary hepatic leiomyosarcoma is very rare with only sporadic cases reported.摘要原發(fā)性肝髒平滑肌肉瘤非常少見(jiàn)，因此衹有一些零星的病例報(bào)告。Her only income came from sporadic leasing deals, forcing her to dip repeatedly into retirement savings.她僅有的收入來(lái)自於零星的租賃交易，這令她不得不經(jīng)常動(dòng)用退休儲(chǔ)蓄。 返回 sporadicalness