h和l是什麼意思

She is held in high regard by her students.

學生對她評價很高。

High interest rates are a brake on the economy.

高利率阻礙了經濟發展。

Market research has shown us that people want quality, not just low prices.

市場研究告訴我們，人們需要的是高質量，而不僅僅是低價格。

Modern plastics can stand very high and very low temperatures.

新型塑料能承受很高和很低的.温度。

Their standard of living is very low.

他們的生活水平很低。