Methods : The neuronal tract tracing by applying HRP ( horseradish peroxidase ) , BDA ( biotinylated dextran amine ).方法 HRP和生物素结合的葡聚糖胺 ( BDA ) 的神经示踪技术.Arrange on a platter and drizzle with the horseradish dressing.安排在与辣根...
那些狗老是往墙上蹭，留下了斑斑污迹。The dogs are always rubbing against the wall and making dirty marks.用温和的漂白剂浸泡以去除污迹。Remove stains by soaking in a mild solution of bleach.他的白色外套污迹斑斑，简直脏透了。His white coat was grubby and stained....
他用榔头和凿子铲墙。He used a hammer and chisel to chip away at the wall.这凿子在要伸入到犄角儿里时十分有用.This chisel is useful for getting into awkward spaces.这东西可以当凿子用.This will answer for a chisel....