例句與造句

1. According to James Bamford in 1983, the location consists of the NSA Propagation Research Laboratory, a single-story, white, windowless building that houses automatically operating, unattended equipment, as well as a small, white cinder-block " control " building surrounded in a barbed-wire fence.
2. It's difficult to find propagation research laboratory in a sentence. 用propagation research laboratory造句挺難的