testtube
/ˈtɛstˌtjuːb/
B1 · Intermediate★★☆☆☆
Simple Meaning
科学实验中使用的细玻璃管。
When to Use
⚙️Technical📚Academic Writing
Intermediate — can handle common situations
Examples in Conversation
“小心那根试管，里面装有酸。”
“科学家将液体放入试管并加热。”
Learning Path
▶Full Definition
A thin, cylindrical glass tube closed at one end, used in scientific experiments to hold small amounts of substances.
“The chemist carefully poured the liquid into a clean testtube for analysis.”