制造

manufacture; make; produce; create; fabricate; build; construct; forge; coin; turn out; put out; production; fabrication; making; construction

紧张

nervous; tense; keen; anxious; stressful; strained; intense; tight; uptight; jittery; overwrought; tension; stress; strain; nervousness; tightness; urgency; twitter; dither; tizzy; collywobbles; tense up; become nervous; keyed up; on edge; in a state of tension; wound up; in a tizzy

空气

air; atmosphere; aero-