几年前,一家名叫 Breathometer的公司凭借着一款能够插在手机里、快速检测血液酒精浓度值的便携式呼气测醉器横空出世。当时那件产品看起来只是个有些新奇的设备,不过 Breathometer 对其开创的技术继续深入创新。
请家长朋友大概了解词源:From Middle English present, from Old French present, from Latin praesent-, praesens, present participle of praeesse , from Latin prae- + esse .