spiral 的 4 个定义
- Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- a helix.
- a single circle or ring of a spiral or helical curve or object.
- (7)
- running continuously around a fixed point or center while constantly receding from or approaching it; coiling in a single plane: a spiral curve.
- coiling around a fixed line or axis in a constantly changing series of planes; helical.
- of or of the nature of a spire or coil.
- bound with a spiral binding; spiral-bound: a spiral notebook.
spi·raled, spi·ral·ing or spi·ralled, spi·ral·ling.
- to take a spiral form or course.
- to advance or increase steadily; rise: Costs have been spiraling all year.
- Aeronautics. to fly an airplane through a spiral course.
spi·raled, spi·ral·ing or spi·ralled, spi·ral·ling.
- to cause to take a spiral form or course.
spiral 近义词
curling, winding
curled shape
更多spiral例句
- India’s healthcare system has spiralled into total chaos following the Covid-19 outbreak.
- It’s possible, too, that some of the partisan divides we’re seeing now could start to narrow as outbreaks spiral out of control in states like Arizona, Florida and Texas.
- Images from the telescopes show a spiral disk of gas and dust surrounding AB Aurigae.
- It likely has spiral arms, too, the scientists say — just like the Milky Way.
- Our spirals might all trace back to an unexpected influence from cosmic rays.
- The now-convicted felons will hear their sentences in January, but their story continues to spiral downward.
- This downward spiral involving local power politics was obvious to the Americans in the valley.
- Without those subsidies, the worst-case scenario has Obamacare entering a fiscal death spiral.
- To his fellow survivors and to the audience, this delusion indicates another slip on a downward spiral.
- In 2008, it was looking at a death spiral: cut credit ratings, claims on the policies, and collateral calls.
- The organism is an actively motile spiral thread, about four times the diameter of a red corpuscle in length.
- See that silver spiral going out from Venus and around the table to the orbit of Saturn?
- Spirochte pallida is an extremely slender, spiral, motile thread, with pointed ends.
- Upon ulcerated surfaces it is often mingled with other spiral micro-organisms, which adds to the difficulty of its detection.
- The palpi of the male are in this species each provided with a spiral screw resembling the tendril of a vine.