microgram

1.Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.

一微克，又是一微克，铍是周期表上最有毒的元素之一。

2.The Nestle gold medal grows 3+ powdered milk iodine content into each hectogram including 191 micrograms to 198 micrograms, surpasses the national standards seriously the upper limit.

雀巢金3+奶粉的碘含量为每克含191微克至198微克，严重超过国家标准的上限。