the foot of the boy,所有格

the foot of the boy,所有格 the foot of the boy所有格 the boy的所有格是什么 at the foot of the the foot of the goverment 请问植物（树木）在英文的名词所有格里算是无生命的吗?请看它的所有格at the foot of the tree windows of the room是不是名词所有格? At the foot of the mountain . At the foot of the mountain_______. at the foot of the的意思 in/on the foot of the mountain? the ball of the foot什么意思