sheathe

"My friend told me there was something in the box, but I didn't know what it was yet. "

"The protective helmet was essential for the construction worker. "

"My teacher explained the new math concept, and I understood it perfectly. "

"My aunt is undergoing chemotherapy to treat her cancer. "

"Could you please scratch my back?"

"My grandmother takes several medications for her high blood pressure. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The doctor prescribed aspirin."

"A chair is furniture. Sofas are also furniture."

"In biology class, we learned that technically, even fruits are vegetables because vegetables are any plant. "

"The blacksmith hammered the hot metal into a horseshoe. "

"The political debate created a lot of animosity between the two families, who used to be close friends. "