形迹
manner; bearing; trace; mark; trail; etiquette
星级
star rating; top-class; highly rated
星际
interstellar; interplanetary
行迹
tracks; traces; movements
性疾病
sexually transmitted disease; venereal disease
星际旅行
Star Trek (US TV and film series)
星际争霸
StarCraft (video game series)
强直性脊柱炎
ankylosing spondylitis; Bechterew’s disease
慢性疾病
chronic illness; disease that takes effect slowly
雄性激素
male hormone; testosterone
飞行记录仪
flight recorder; black box
飞行记录器
flight recorder; black box