Alkali test
[医] 硷试验
🧩 词语组成解析
alkali
['ælkəlai]
n. 碱;
🗣️ 情景例句
Twenty-one inches.
二十一英尺。
It is good to have some friends both in heaven and hell.
天堂上和地狱中都有几个朋友，这乃是一件好事。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。