subtractive bilingualism see additive bilingualism.
Sorry, "single-photon-emission-computed-tomography-spect" is not in the Dictiona...
existential crisis 1. in existentialism, a crucial stage or...
tympanic membrane a conically shaped membrane that separate...
antisocial adj. denoting or exhibiting behavior that sharpl...
culture shock loneliness, anxiety, and confusion experience...