unaccompanied
adj. 无伴侣的；不伴随的；无伴奏的
近义词：alone，lone，solitary，lonely，unattended，single，solo，byyourself，onyourown，single-handed，single-handedly，unaided，accompanied，
英英释义
Adjective
- being without an escort
- playing or singing without accompaniment;
"the soloist sang unaccompanied"
- (of a state or an event) taking place without something specified occurring at the same time;
"a headache unaccompanied by other symptoms"
Adverb
- without anybody else or anything else;
"the child stayed home alone" "the pillar stood alone, supporting nothing" "he flew solo"
例句
- He traveled unaccompanied by his parents.他没有父母陪伴而去旅行。
- Children unaccompanied by an adult will not be admitted.儿童无成人带领不得入内。