alar

• 古旧形容词，意为“与翅膀或翼状结构有关的”或“有翅膀的”。在现代英语中已不再使用。

An obsolete adjective meaning 'pertaining to wings or wing-like structures', or 'having wings'. It is no longer used in modern English.

1. Relating to the axilC2formal

   Pertaining to the axil, which is the angle between the upper side of a leaf or branch and the stem from which it grows.

   腋生的

   • The alar buds develop in the leaf axils.
   • Botanists studied the alar region of the plant.
   • Alar shoots emerge from the axillary buds.

   同义词axillary

2. Having or resembling wingsC2formal

   Having the shape or function of wings; wing-like.

   翼状的

   • The alar cartilage forms the tip of the nose.
   • Certain insects have alar appendages for flight.
   • The alar processes of the sphenoid bone are wing-shaped.

   同义词alarywinglike

• 一种喷洒在果树上以调节生长并促使果实同时成熟的化学物质。

A chemical substance applied to fruit trees to control their growth and enable simultaneous harvesting; formerly a widely used plant growth regulator, now restricted or banned in many jurisdictions due to health concerns.

不可数 · 专有名词

1. A plant growth regulator sprayed on fruit trees, particularly apples, to regulate their development.C2formalscientific

   A chemical compound (daminozide), first introduced in the 1960s, applied primarily to apple orchards to delay ripening, enhance colour, firmness, and storage life, and to synchronise the harvest period so that the entire crop can be picked at once. Its use declined sharply in the late 1980s after studies suggested potential carcinogenic risks, and it was subsequently withdrawn from the market in many countries.

   喷在果树上以调节其发育的植物生长调节剂

   • Apple growers used Alar to produce uniformly red and firm fruit ready for a single harvest.
   • The use of Alar on food crops became a major public health scare in the late 1980s.
   • After the controversy, the manufacturer voluntarily withdrew Alar from the American market.
   • Alar allowed orchard owners to save labour costs by picking the entire crop at one time.
   • The ban on Alar was a turning point in the regulation of agricultural chemicals.

   同义词daminozide