quasi-
/ˈkweɪzaɪ/combining form
1- seemingly; apparently but not really表示“类似”, “貌似但不真实”, “半”：
quasi-American
quasi-scientific.
1.1
- being partly or almost表示“部分的”, “差不多的”：
quasicrystalline.
词源
from Latin quasi 'as if， almost'.