He has accused them of helping Taliban forces.

他指责他们帮助塔利班部队。

When the magma rises, gas bubbles are released, putting pressure on the material and helping force it to the surface.

当岩浆上升时，会释放出气泡，对物质施加压力并帮助将其推到地表。

The president says the Americas will be training and helping local forces who are fighting ISIS and that the American troops will build on the momentum that the local forces have gained on the ground in Syria.

总统表示这些美国士兵将训练并帮助当地部队对抗这个极端恐怖组织，而且也要帮其夺回被侵占的领土。