高岭土是一种天然的硅酸铝,纯度高,有油腻感,具有抑制()的作用,有较强的收敛性,对皮肤有较好的(),用于香粉、粉饼等。
参考答案:皮脂;吸附性
On April 14, 2010, many people dressed in black with white flowers ______ their chests observed three minutes of silence in memory of the victims in Yushu Earthquake .
A.pinned in
B.pinned to
C.being pinned in
D.to be pinned to
预示挥发油中是否有奥类成分,多用Sabaty反应。()