底线 dǐxiàn HSK7 bottom line Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: baseline All meanings 8 dǐxiàn 8 bottom line 5baseline 1spy 1under thread 1 1 sentence for 底线 (dǐxiàn — baseline) 网球落在了底线附近。 wǎngqiú luò zài le dǐxiàn fùjìn. The tennis ball landed near the baseline. Source: Dong Chinese Dictionary