阻 - thwart, separate from, prevent

obstruction; impediment; hindrance; inhibition; blocking; check

to keep someone from doing; to stop; to prevent; to check; to hinder; to obstruct; to oppose; to thwart

obstruction; prevention; hindrance; check; blocking; stopping

morning sickness; nausea and vomiting of pregnancy

morning sickness; nausea and vomiting of pregnancy

separation; estrangement

barrage balloon

hyperemesis gravidarum; HG; severe morning sickness

steep (terrain); precipitous

battlefield air interdiction

demoralization; collapse of morale; one's morale being shaken

protease inhibitor