Up to date, p-chloroaniline was reported to be biodegraded only through ortho-or modified ortho-cleavage pathway.

迄今为止的研究报道表明，对氯苯胺的生物降解只能以邻位途径或修饰邻位途径进行。

youdao

Today’s equity slump erased the month-to-date gain in the S&P 500.

今天标普500指数下跌幅度抹去了当月累计的上涨幅度。

youdao

The S&P 500 index of American shares closed above 900 on May 4th, regaining all its losses for the year to date.

美国标准普尔500指数5月4日收市超过900点，收回了今年到当天为止的所有损失。

youdao

Since Leno's mid-September debut, his audience has continually slid, with his smallest 10 p.m. viewership to date (about 5 million) tuning in Thursday night.

FORBES: Media