压力处理的木材含有有害的砷，西部红柏往往是在敏感的原始森林。

Pressure treated wood contains harmful arsenic, and western red cedar is often found in sensitive old-growth forests.

youdao

压力处理的木材含有有害的砷，西部红柏往往是在敏感的原始森林。

Pressure treated wood contains harmful arsenic, and western red cedar is often found in sensitive old-growth forests.

youdao