| 词汇 | stratosphere |
| 词根词缀 | 词源： 1909, from Fr. stratosphère, lit. "sphere of layers," coined by Fr. meteorologist Léon-Philippe Teisserenc de Bort (1855-1913) from L. stratus "a spreading out" (from pp. stem of sternere "to spread out;" see structure) + Fr. -sphère, as in atmosphère. The region where the temperature increases or remains steady as you go higher. [An earlier stratosphere, attested in Eng. 1908 and coined in Ger. 1901, was a geological term for part of the Earth's crust. It is now obsolete.] |
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