这个小电池能储存大约50毫焦的能量。

This small battery can store about 50 ___mJ of energy.

他们在派对上偷偷抽了点大麻。

They secretly smoked some ___m.j. at the party.

从小学起，我们就叫她M.J.，因为她最喜欢六月的阳光。

Since elementary school, we've called her ___M.J. because she adores the June sunshine.