可动心轨道岔的英文：
movable-point frog (mpf)
n. 家具,动产
a. 可动的,动产的,不定的
movable vice jaw
活动钳口
This limitation was overcome with the invention of movable type.
随着活字的发明，这一障碍得取了克服。
A medieval light helmet with a neck guard and movable visor.
头盔中世纪有护颈和活动护面的轻便头盔
n. 点；标点；要点；尖端；得分
v. 削尖；指向；加标点于；表明
That is not the point in question.
那不是要考虑的要点。
orientation point
方位点
A score made on a try for a point or points after a touchdown.
触地得分在触地后再次发球所得的一分或几分
n. 青蛙，蛤蟆；饰扣，盘扣；法国佬
The magician transformed the frog into a princess.
魔术师把青蛙变成了公主。
completely terrestrial robber frogs.
完全生于陆地的离趾蟾属。
The frog is not a true reptile.
青蛙并非真正的爬行动物.