indicator

US /ˈɪndɪˌketɚ/

UK /ˈɪndɪkeɪtə(r)/

A2 初級英檢高級
n.名詞指標
A thermometer is an indicator of temperature
n.名詞指示器
The car's fuel gauge is a useful indicator.
n.名詞指示劑
Litmus paper is a common indicator used to test for acidity or alkalinity.
n.名詞指示生物
Certain species of lichen are good indicators of air quality.

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蜂友花彈 (A Bee Friendlier Flower Bombing)

03:48蜂友花彈 (A Bee Friendlier Flower Bombing)