Acgih
abbr. 美国政府工业卫生学家会议（American Conference of Governmental Industrial Hygienists）
🗣️ 情景例句
The price includes mailing costs.
这价格包括邮寄费用。
Nothing is as good as it seems beforehand.
期待比现实更美好。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。