I stepped in over his threshold, put an oxygen sensor on his finger, and a gloved hand on his shoulder.

我跨过他家的门槛，把氧气传感器戴在他的手指上，把戴着手套的手放在他的肩膀上。

Apple Watch Series 6 with a breakthrough new blood oxygen sensor starts at just 399, and Series 3 continues at its great entry price of just 199.

带有突破性新型血氧传感器的Apple Watch 6 售价仅为399美元，而Apple Watch 3 继续以199美元的入门价出售。

Everything from oxygen sensors and video cameras and lighting and filtration systems that were needed for what turned out to roughly be 9 to 11 hour transport time.

运输槽里的氧气侦测仪、摄录像机，及照明和过泸系统，都必须维持大约 9 至 11 小时的运输时间。