专家: specialist; expert; proficient 短语和例子水稻专家 expert in rice-growing; 外国专家 foreign expert; 外语专家 foreign language expert; 心脏病专家 specialist in heart disease; 眼科专家 ophthalmologist; eye specialist;
车辆: vehicle; car; rolling stock; tram; seater; carriage 短语和例子来往车辆 traffic; 铁路机车及车辆 rolling stock; 重型车辆 heavy vehicles; 军用车辆 army vehicles; 私人车辆 personal cars; privately owned cars; 禁止车辆通行。 no