Poly(methyl methacrylate)
[化] 聚甲基丙烯酸甲酯
🗣️ 情景例句
All we have to do now is shake hands.
现在我们所该做的只是握手了。
You have no goats,and yet you sell kids.
没有老山羊，还把小羊卖。
if there is any effect of noise upon mental health it must be so small that present methods of psychiatric diagnosis cannot find it.
如果噪音对精神健康有影响的话，那也一定是微乎其微，以致现代的精神病诊断方法还发现不了。