gatherings

"The asteroid belt consists of a collection of dust, rubble, and minor planets."

"The engineers designed a new water filtration system for the school. "

"The students' generous contribution of old books to the school library helped many others. "

"Hearing that the surgery was successful was relieving to the whole family. "

"Scientists study plants to understand how they grow. "

"The cheese was left in the cave to be maturated for several months before being sold. "

"The teacher's lesson plan was together, covering all the key concepts logically. "

"I met her at a gathering of engineers and scientists."

"The operation of the new coffee machine is quite simple. "

"The cut on his knee became infected and suppurated, releasing yellowish pus. "

"The infection spread quickly through the classroom after one student got sick. "

"The school's fundraising campaign was very charitable, raising money for underprivileged students. "