先头

American troops formed the spearhead of the attack.

是这次进攻的先头部队。

The ideal referring source will also acknowledge help with the treatment plan from the endodontist even if it simply is the prognostication of the individual procedure.

这种理想的参考资源也会提供在牙髓学治疗方案方面的帮助 ，即使它是个体程序的先头部分。