我们需要确保树的泥土够坚固 We need to __ ___ ___the earth is ___ ___for a tree
问题描述:
我们需要确保树的泥土够坚固 We need to __ ___ ___the earth is ___ ___for a tree
答
We need to _make_ _sure__ _that__the earth is solid___ enough___for a treesolid是什么意思