Erythroid-specific 5-aminolevulinate synthase (ALAS2) catalyzes the rate-limiting step in heme biosynthesis.

红系特异的5-氨基酮戊酸合成酶（ALAS2）是血红素生物合成的限速酶。

youdao

That was the rate limiting step.

那是速率限定步骤。

youdao

Because the rate limiting step is the rate from B to c.

因为速率限定的步骤是从B到C的步骤。

youdao

Despite three baby-step interest rate cuts, the Federal Reserve is as deflationary as ever.

FORBES: Fact and Comment

Up until recently many banks and other large companies had been toying with the idea of delaying bonuses from their traditional payout dates in January, February and March until after the April 6 step-down in the tax rate.

CNN: Goldman eyes tax delay on UK bonuses

This will be the final step of a three-step increase enacted in the spring 2007, when the unemployment rate was 4.5%.

WSJ: Delay the Minimum-Wage Hike