例句與造句

1. Just a few types of the 400 to 500 bacteria in the mouth thrive below the gums in an oxygenless environment and cause periodontal disease.
2. Oxygenless dead spots once plagued the river as a result of an influx of raw sewage; bacteria consumed great quantities of oxygen as they decomposed the sewage and other organic material.
3. The information, associates said, related to a metal fuel that scientists believe could propel a variety of vessels _ not just torpedoes _ in oxygenless environments underwater or in space.
4. A computer simulation results in an oxygenless, barren planet, and Green Glasses states that life is a force that, with time, can do many things; for example, a colony of ants could move a mountain, given time.
5. There is some irony in the discovery, since oxygenless dead spots that once plagued the river as a result of an influx of raw sewage have been eliminated over the last three decades at the cost of several billion dollars'worth of sewage treatment systems.
6. It's difficult to find oxygenless in a sentence. 用oxygenless造句挺難的