be asphyxiated; die from lack of oxygen; "The child suffocated under the pillow" 同義詞:suffocate, stifle,
impair the respiration of or obstruct the air passage of; "The foul air was slowly suffocating the children" 同義詞:suffocate, stifle, choke,
deprive of oxygen and prevent from breathing; "Othello smothered Desdemona with a pillow"; "The child suffocated herself with a plastic bag that the parents had left on the floor" 同義詞:smother, suffocate,