preoccupancy
英 [priː'ɒkjʊpənsɪ]美 [pri'ɑkjəpənsi]
n. 先入为主；全神贯注；极为忙碌（等于preoccupation）
英文词源
preoccupancy (n.)
also pre-occupancy, "prior occupation," 1734, from pre- + occupancy.
带preoccupancy字词语
带preoccupancy字成语
英 [priː'ɒkjʊpənsɪ]美 [pri'ɑkjəpənsi]
n. 先入为主；全神贯注；极为忙碌（等于preoccupation）
preoccupancy (n.)
also pre-occupancy, "prior occupation," 1734, from pre- + occupancy.