贝茜身穿华丽的深蓝色天鹅绒衣服，在桌旁徘徊。Bessie, resplendent in royal blue velvet, was hovering beside the table.霍华德身着深蓝色套装，衣着无可挑剔。Howard was faultlessly dressed in a dark blue suit.天空一片深蓝色，其间星光闪烁。The sky was deep blue and starry....
除铁 、 锰、铅外, 伴生有银、铟.Iron, manganese and lead are the major minerals, accompanying silver and indium.介绍了磷酸盐除铁的主要研究成果.Also , major research results for removing iron by phosphate has been introduced.用海绵铜生产硫酸铜,其困难在于除铁杂质.A har...
The Department is gearing up for increased intake of students.这个系正在为扩大招生做好准备.Our school is gearing up for an increased intake of pupils.我们学校正在作好准备以接受更多的学生.The gearing of this machine is unusual.这机器的齿轮装置很特别....