Tryptanthrin is a kind of indole quinazoline alkaloid.色胺酮属吲哚喹唑啉类生物碱.Use: Used as an analytical reagent, to determine alkaloid and cesium.用途:分 析试剂, 生物碱和铯盐的测定.Quinine: Alkaloid found in the bark of cinchona trees and shrub...
He knew he was in with a shout of making Craig Brown's squad for Japan.他明白自己有望为日本建成克雷格·布朗之队。The goal was cancelled out just before half-time by Craig McLurg.中场还没到，比分就被克雷格·麦克勒格扳平了。Is this fair? Well, I put that quest...
the monkey's prehensile tail猴子能缠住东西的尾巴Poets are those strangely prehensile men.诗人是那些具有深刻洞察力的人们.They have prehensile lips for feeding on leaves and saplings.它们都具有能卷握东西的嘴唇,可用于取食树叶和树苗....
Angela says she longs to join an amateur dramatics class.安杰拉说她渴望参加业余戏剧班。She longs for the early return of her beloved.她盼着心上人早日归来.Mrs Barrantes longs to be at her daughter's side to offer her a shoulder to cry on...巴...
People were bunched up at all the exits.所有的出口都挤满了人。Passengers escaped from the plane's front four exits by sliding down emergency chutes.乘客们从飞机前部4个出口处的紧急滑道滑下逃生了。At the exits polite assistants will take the goods and...