syncline的用法和样例：
例句
用作名词 (n.)
- The area in the west of Daxingxi structure to Mingshan syncline hasn't been explored and drilled yet.
大兴西构造以西至名山向斜。 - But the dip angles of both limbs of the syncline look different, with one limb steeper than the other though they dip toward the opposite direction.
但是这个向斜构造的两翼岩层倾角看起来有差异，虽然两翼的岩层倾向相反，其中一翼倾角较之于另一翼要陡一些。
词汇搭配
- pitching syncline 伏向斜
- plunging syncline 倾伏向斜
- rim syncline 周围向斜,周缘向斜...
- symmetric syncline 对称向斜
- ring syncline 环状向斜
- symmetrical syncline 对称向斜
