le
le — abbreviation
1. a written abbreviation for "leading edge" — the front edge of an aircraft wing,
a written abbreviation for "leading edge" — the front edge of an aircraft wing, blade, or similar surface that meets the air first; also used to describe the most advanced position in a particular field of technology or research.
The LE of the new wing design reduces drag by more than fifteen percent, lowering the aircraft's fuel use.
"LE of the ... wing" — written abbreviation in technical description
Engineers coated the LE of each turbine blade with a ceramic layer to protect it from extreme heat.
"LE of each turbine blade" — part of a mechanical component
The lab claims its new microchip architecture is at the LE of semiconductor design, using the industry's smallest transistors.
A small crack appeared on the helicopter rotor's LE after the long flight, grounding the aircraft for repairs.
- vanguard
more formal, used for social or artistic movements rather than physical edges
- forefront
similar scope but less technical; used for research, social change
- cutting edge
more common in general writing about innovation; similar register
- trailing edge
the rear edge of an airfoil; also used figuratively for 'behind the times'
用法筆記
Common in aviation engineering reports and technical marketing writing. When used figuratively ("at the LE of"), it often appears without a preceding article.
常見錯誤
le — abbreviation
1. a written abbreviation for "lupus erythematosus" — a chronic autoimmune disease
a written abbreviation for "lupus erythematosus" — a chronic autoimmune disease in which the body's immune system attacks its own tissues, causing inflammation and damage to the skin, joints, kidneys, and other organs.
The patient was diagnosed with systemic LE after a series of blood tests.
"diagnosed with systemic LE" — clinical diagnosis context
Dr. Okafor reviewed the LE panel results before adjusting the treatment plan.
"LE panel" — standard medical test battery
Mira manages her LE symptoms with a combination of medication and regular exercise.
The rheumatology department published a new study on kidney complications in LE patients.
- lupus
the common name; broader, can refer to discoid or systemic forms
用法筆記
Almost exclusively used in medical charts, journal articles, and clinical correspondence. When speaking to patients, doctors typically use the full name "lupus" or "lupus erythematosus" rather than the abbreviation.