HSK 7-9
灵敏
língmǐn形
smart; clever; sensitive; keen
这台仪器对温度变化很灵敏。
Zhètái yíqì duì wēndù biànhuà hěn língmǐn.
This instrument is highly sensitive to temperature changes.
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Hold the button, say it, then let go.
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Appears across levels (7-9) in the HSK 3.0 word list.