玫瑰糠疹皮疹特点,长轴与皮纹________。
参考答案:平行
工业用粉末冶金铁粉有()和(),其中()的压缩性较高。
Nobody would like______because of their appearance.
A. to be laughed atB. to laugh atC. to laughing atD. to be laughing at