основная часть

см. тж. большая часть

• The Sun emits the bulk (or most) of its energy output at optical wavelengths.

• When a new design is required the bulk of the equipment can be used again.

• The basic part of this laser apparatus is a quartz tube.

• Water constitutes the greater part of most organisms.

• The greater part of our work was carried out indoors.

• These components are adding the major portion of the corrosion products to the system.