穗顶部

tip of the iceberg tip the beam tip sb. the traveller tip over the perch give the tip to tip sb. the wink get the tip to tip of nozzle tip of file spike tip TiP tip of the needle tip-of-the-tongue tip of the day the tip of anything tip of the tongue the tip of the axis promeristen of the root tip tip of the iceberg sign tip of the embryo axis tip-of-the-tongue(TOT) fertility at spike tip