1.Compared with overseas fossilization related academic achievements ours lag behind in terms of research breadth and depth.
与国外石化现象研究成果相比，国内该课题在研究的广度和深度上都存在很大差距。
2.A clear awareness of its causes enables us to take active and effective measures to prevent or at least minimize fossilization.
对石化成因的透彻了解有助于我们采取积极有效的措施去防止石化，至少可以尽可能地减少石化。
3.Fossilization is a universal phenomenon in language development and a huge barrier for successful language learning.
石化现象普遍存在于外语学习中并一直是学习者的巨大障碍。
4.To a great extent, oral fossilization blocks language learners'proficiency of the target language.
口语石化在很大程度上阻碍了语言学习者进一步提高对目的语的熟练程度。
5.As an important concept in SLA, interlanguage fossilization is an inevitable phenomenon in the process of foreign language learning.
中介语石化作为二语习得的重要概念，是外语学习过程中不可避免的现象。
6.Interlanguage fossilization is an inevitable phenomenon in foreign language learning.
过渡语僵化现象是外语学习中不可避免的现象。
7.Interlanguage fossilization is an very important study field in second language acquisition.
中介语的僵化现象一直是第二语言习得理论的重要研究领域。
8.Fossilization has become one of the main features of Interlanguage.
语言僵硬现象已经成为中介语的主要特征之一。
9.Fossilization, a common phenomenon in second language acquisition( SLA ), is a hot issue in foreign language theoretical research.
中介语石化是二语习得的常见现象，也是外语习得理论研究的热门话题之一。
10.Fossilization in interlanguage is an unavoidable and universal phenomenon in SLA.
中介语的石化是二语习得中一种不可避免的现象。