弧

弧线 húxiàn #21,994

arc / curved line / arc trajectory

弧度 húdù #27,698

radian (unit of angle) / arc; curvature; degree of curve

括弧 kuòhú HSK 7

parentheses / brackets

划 huà HSK 4 #2,733

to plan; to delimit / to draw (a line); to scratch / to row (a boat) (huá)

防线 fángxiàn #9,481

defensive line / line of defense

口径 kǒujìng HSK 7 #4,805

caliber (of a gun or tube) / official line; version of events (unified statement)

钓 diào #4,114

to fish (with a hook and line) / to angle

开通 kāitōng HSK 6 #5,235

to open (a service, route, line) / to activate; to make operational

底线 dǐxiàn HSK 7 #5,289

bottom line; baseline; minimum standard / boundary one refuses to cross

路线 lùxiàn HSK 3 #3,514

route; itinerary / path; course; line