Eprouvette
试管；试件, 试样
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
At night, all cats are grey.
猫在夜晚皆灰色（丑妍暗中难分辨）。
People have been talking of it a lot recently.
近来人们对这事谈得很多。