Mayer's test
[医] 迈尔氏试验(检生物硷)
🧩 词语组成解析
🗣️ 情景例句
Thanks a lot.
多谢。
He learns French every day.
他每天都学法语。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。