词汇	echo bearing
释义	echo bearing n.回波定位
随便看	The abode of righteous souls after death; heaven The abode of the epidendrum the abolished crown princes the abolishment of chronicle the abolishment of slavery the abolition of agricultural taxes the abolition of capital punishment the abolition of control the abolition of jurisdiction the aBolition of slavery The abolition of slavery the abolition of tusi chieftain the abominable snowman The Abominable Snowman of Pasadena the aboral pole the aboriginal peoples of canada the aboriginal population the aboriginals in the south the aboriginals literature the abortion controversy The abortion issue is political dynamite the abortion of crime The abortion of flower bud the above the above analysis