Preoxygenation
[医] 预充氧[呼吸]法
🗣️ 情景例句
will read a poem by Robert Frost.
要朗读Robert Frost作的一首诗。
You should wear a lightweight suit, It's hot today.
你应该穿一套薄一点的套装，因为今天很热。
In 1908 Lord Northcliffe offered a prize of $1,000 to the first man who would fly across the English Channel.
1908年，诺斯克利夫勋爵拿出1，000英镑，作为对第一个飞越英吉利海峡的人的奖励。