水泵型号12Sh-28A中符号“Sh”表示____;数字“12”表 示____;数字“28”表示____。
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
— ___________________
— Once or twice a week.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧