维奥莱特在信的末尾附加了一条备注。Violet appended a note at the end of the letter.你本应该再给地区经理写封信的。You should have written to the area manager again.把优惠券附在信的正面。Attach the coupon to the front of your letter....
Discrimination technology for bacillariophyta and pyrrophyta was established by chlorophyll fluorescence excitation spectra of phytoplankton.基于浮游植物活体叶绿素荧光激发光谱建立了硅藻和甲藻的识别测定技术.Bacteriochlorophyll Any of several types of ch...