be involved in包括中，被卷入中；涉及到，卷人，陷入参与，从事
to be heavily involved in sth.:在很活跃
be involved in sth:涉及到谋事
例句：
1.Conclusion HPV may be involved in the development of some SCCL.
结论
HPV感染可能与部分
肺鳞癌的发生有关。
2.They have to be involved in some way in the final peace agreement.
他们必须以某种方式参与最终的和平协议。
3.Great uncertainties would be involved in the understanding of this process.
人类对这一过程的认识还有很大的不确定性。