Vocab Bloom Hub

cos

/kɒs/

翻译: 一个名词,有两个主要含义:在数学中,指直角三角形中邻边与斜边的比值,即余弦;在烹饪语境中,指一种长有深绿色长叶、形成松散长球形叶球的生菜,即长叶莴苣。

1 个条目

noun

/kɒs/C1formalscientific
  • zh一个名词,有两个主要含义:在数学中,指直角三角形中邻边与斜边的比值,即余弦;在烹饪语境中,指一种长有深绿色长叶、形成松散长球形叶球的生菜,即长叶莴苣。

A noun with two distinct meanings: in mathematics, it is the ratio of the adjacent side to the hypotenuse of a right-angled triangle; in culinary contexts, it refers to a type of lettuce with long dark-green leaves forming a loosely packed elongated head.

  1. Trigonometric functionB2formalscientific

    The ratio of the length of the adjacent side to the length of the hypotenuse in a right-angled triangle.

    zh余弦

    • The cosine of 60 degrees is 0.5.
    • In this equation, cos theta equals the adjacent side divided by the hypotenuse.
    • We used the cos function to calculate the angle.

    同义词cosine

  2. Type of lettuceB1formalculinary

    A variety of lettuce with long, dark-green leaves that form a loosely packed, elongated head.

    zh罗曼生菜

    • I bought a head of cos lettuce for the salad.
    • Cos lettuce is often used in Caesar salads.
    • The leaves of cos lettuce are crisp and slightly bitter.

    同义词romaineromaine lettuce