









groove
slot
recess
channel
Some species of tuna have specialized grooves in their tongue.
Archaeological finds of nuts from the extinct Easter Island palm show tiny grooves, made by the teeth of Polynesian rats.

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Open the tool →凹槽 (āo cáo) means “groove, slot, recess, channel”.
凹槽 is pronounced āo cáo in Mandarin Chinese.
“groove” is 凹槽 (āo cáo) in Chinese.
This page has 2 example sentences using 凹槽, each with pinyin and an English translation.