这个味苦.It is bitter to the taste.性状: 本品为白色或类白色的针状结晶或结晶性粉末, 无臭、味苦.Description: White to whitish needle crystalls or crystal powder, oderless and tasteless.性状: 本品为棕褐色粉末, 味苦, 易吸湿.Physical Form: brown powder, bitterness, easy ...
N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP )....
The honeysuckle was streaming scent.忍冬花放出香气.In my garden there are roses and two kinds of honeysuckle.在我的花园里有玫瑰和两种金银花.Ingredients: pure olive essential oil, gingko extract, liquorice essence, honeysuckle, chamomile etc.成...
DD was mumbling other things about BB when he heard a roar.DD正嘟嘟哝哝地说着其他关于BB的事情,突然,他听到一声吼叫.A while later, BB couldn't stand DD's silence any longer.过了一会儿, BB再也不能忍受DD的沉默了.DD starts making new friends in his class...