disinfectant and preservative造句

例句与造句

1. The first glimmers came in 1985 and 1986 with Halley's comet, which yielded signs of water, carbon dioxide and formaldehyde ( used on Earth as a disinfectant and preservative ).
2. We know that even today, those alien bodies are floating in an aqueous solution containing disinfectants and preservatives, while a team of scientists studies their inner workings, which are remarkably similar to those of Earthlings.
3. It's difficult to find disinfectant and preservative in a sentence. 用disinfectant and preservative造句挺难的