"his whole attitude had undergone a subtle change"
"a subtle difference"
"that elusive thing the soul"
"a subtle mind"
"glaucoma is an insidious disease"
"a subtle poison"
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句