infrequency

• n. 罕见；很少发生

英文词源

infrequency (n.)

c. 1600, from Latin infrequentia "a small number, thinness, scantiness," noun of quality from infrequentem (see infrequent). Related: Infrequence (1640s).

双语例句

1. With their greater infrequency the sounds increased in strength and sharpness.

寂静的间歇逐渐变长;声音的迟延变得难以忍受.

来自互联网