Our science teacher showed us a new instrument in class today.
我們的自然老師今天在課堂上展示了一個新儀器。
The doctor used an instrument to check my ears.
醫生用一個儀器檢查我的耳朵。
We use this instrument to measure temperature in the lab.
我們在實驗室用這個儀器測量溫度。
The lab has five instruments for different tests.
實驗室有五種儀器用來做不同的測試。