Wetzel's test
[医] 韦策耳氏试验(检血内一氧化碳)
🧩 词语组成解析
🗣️ 情景例句
Too easy for you?
对 ，太容易了
Ray. I've been rescued at last.
啊吓！我终于得救了。
Because the equipment for adding sound to films had not yet been developed.
因为给电影配音的设备还没有研制出来。