n.甘萆解属的植物,黄精
Use vinyl seam adhesive where vinyls overlap.
塑料布相叠处用塑料封口胶粘起来。
The average UK coal seam is one metre thick.
英国煤层的平均厚度为1米。
Tack them together with a 1.5 cm seam.
用1.5厘米的针脚将它们暂时缝上。