bacteria bed
英汉例句
- The brook warbled over its rocky bed.
小溪潺潺流过多石的河床。 - A film of mucus and bacteria on a tooth surface.
齿菌斑牙齿表面一层粘液和细菌的膜 - She rushed off to work leaving her bed unmade.
她匆忙去上班连床都没铺好。 - Bacteria are too small to see with the naked eye.
细菌太小，肉眼看不见。 - A mosquito netting completely surrounds our bed.
一顶蚊帐把我们的床完全围住了。