"a protective covering"
"the use of protective masks and equipment"
"protective coatings"
"kept the drunken sailor in protective custody"
"animals with protective coloring"
"protective tariffs"
"a protective mother"
"protective of his reputation"
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