Ammonium sulfate test

ammonium

n. 铵\\n[化] 铵

sulfate [['sʌlfeit]]

n. 硫酸盐, 硫酸脂\\n[化] 硫酸盐; 硫酸盐或酯、根

test [tɛst]

n. 试验;考验;测验;化验; vt. 测验;考查;考验;勘探; vi. 受试验;受测验;受考验;测得结果;

test =test,tuitness,表示”测试,证据”

Breathing this air is killing me.

呼吸这样的空气真是致命。

We can't rely on him.

我们不能依赖他。

The mammoth has now been restored in the Palaeontological Museum in Leningrad. Other animals were trapped in tar pits, like the elephants, sabre-toothed cats, and numerous other creatures that are found at Rancho la Brea,which is now just a suburb of Los

这头长毛象已被修复，现存于圣彼得堡古生物学博物馆。有的动物掉进天然沥清坑里被保存下来，如在兰桥。拉。布里 -- 现在是洛杉矶的郊区发现的大象、剑齿虎和许多其他动物。