这件笨重的设备难以运输。

The ___bulky equipment was difficult to transport.

这个程序所需的特殊设备既昂贵又笨重。

The special equipment required for the program is both expensive and ___bulky.

搬家是个挑战，因为所有家具都很笨重。

Moving house was a challenge because of all the ___bulky furniture.