In the ring and Autumn period, co er and iron cho ticks came into being.

在春秋时代又出现了铜制和铁制的筷子。

youdao

With reference to your letter of April 9, we are pleased to accept your offer of 100 to of Co er Wire as per your Offer Sheet No. 8/070/02B.

关于你们信件格式四月九日涵，我们高兴地接受你们第8／070／0信件的格式2B号报盘单所报100吨紫色铜丝。

youdao

Objective To clone human epidermal growth factor receptor (HER2) gene and establish a MCF-7 cell line with stable co-expression of HER2 and estrogen receptor (ER).

目的克隆人表皮生长因子受体（HER2）基因，建立共表达HER2基因和雌激素受体（ER）基因的MCF-7细胞模型。

youdao

Based in Atlanta, Gupta also contributes health stories to CNN.com, co-hosts "Accent Health" for Turner Private Networks, provides medical segments for the syndicated version of "ER" on TNT and writes a column for Time magazine.

CNN: Gupta opts out of surgeon general consideration