CET4 TEM4 GRE CET6
来自拉丁词bacilum, 杆。词源同bacillus, 杆菌。
- bacteria (n.)
- 1847, plural of Modern Latin bacterium, from Greek bakterion "small staff," diminutive of baktron "stick, rod," from PIE *bak- "staff used for support" (also source of Latin baculum "rod, walking stick"). So called because the first ones observed were rod-shaped. Introduced as a scientific word 1838 by German naturalist Christian Gottfried Ehrenberg (1795-1876).
- 1. Warm milk is the ideal breeding ground for bacteria.
- 2. Potentially dangerous bacteria are regularly sent from one laboratory to another.
- 3. The fertiliser releases nutrients gradually as bacteria decompose it.
- 4. Bacteria reproduce by dividing and making copies of themselves.
- 5. Chlorine is added to kill bacteria.
[ bacteria 造句 ]