火势以扇形迅速蔓延。

The fire spread out in a fan-shape.

Source: Tatoeba

Sentence Composition

1 火势 huǒshì
  1. intensity of a fire
  2. lively
  3. flourishing
=2 以 yǐ old variant of 以 yǐ
=2 以 yǐ old variant of 以 yǐ
=2 以 Yǐ abbr. for Israel 以色列 Yǐsèliè
=2 以 yǐ
  1. to use
  2. by means of
  3. according to
  4. in order to
  5. because of
  6. at (a certain date or place)
3 扇形 shànxíng circular sector
4 迅速 xùnsù
  1. rapid
  2. speedy
  3. fast
5 蔓延 mànyán
  1. to extend
  2. to spread