Zinc is relatively safe and non-toxic so sensible levels of supplementation should do you no harm
參考答案:锌比较安全而且不易中毒。因此,适量地摄入锌对身体是无害的。
Zinc is relatively safe and non-toxic so sensible levels of supplementation should do you no harm
參考答案:锌比较安全而且不易中毒。因此,适量地摄入锌对身体是无害的。