一头: 1.(脑袋) a head (covered with gray hair, dust, skin, ailments, etc.) 短语和例子高过一头 be taller by a head; 她有一头黑发。 she has a black head of hair.2.(头数) a head (of cattle, hog, mule, etc.) 短语和例子一头羊 a
To try to find out where this ring had come from the astronomers trawled through previous literature on the cluster in question 为了找到这圈物质的来源，科学家一头扎入以前有关这一星团的记录中。
2.
Some readers have expressed surprise that i did not spend more time designing xm in advance ; i hope this explanation clarifies why i plunged into the prototyping with this first project 对于我没有事先花更多的时间来设计xm ，一些读者表示很惊奇；我希望这个解释能澄清我为什么在第一个项目中就一头扎入原型设计中。
