雛燕 的英文怎麼說

中文拼音 [chúyān]
雛燕 英文
young swallow
  • : Ⅰ形容詞(幼小的, 多指鳥類) young (bird) Ⅱ名詞(幼小的鳥) nestling; fledgling
  • : 燕名詞1. (古國名) yan, a state in the zhou dynasty2. (河北北部) northern hebei province3. (姓氏) a surname
  1. Do not touch, take or damage tern eggs and chicks

    請勿接觸、取走或傷害鷗的蛋和鳥;
  2. Take pictures of terns, but do not get too close to the nests and chicks

    歡迎為鷗拍照,但緊記切勿接近鷗的巢和鳥;
  3. Through research, the organic matter of source rocks in carboniferous - permian coal measure strata began first hydrocarbon - generating in mesozoic, and the first hydrocarbon - filling took place. but, because of yanshan movement later, the carboniferous - permian strata rose, as a result, the first hydrocarbon - generating and reservoir - forming paused ; in early tertiary period, because carboniferous - permian strata dipping forward east originally turned into dipping forward west, the prototype of faulted block began to form gradually ; by the end of sha - 3 period of early tertiary, the paleogeotherm of carboniferous - permian strata exceed the mesozoic ' s temperature again, and accordingly, abundant hydrocarbon was generated and expulsed secondly. the trap continued to develop ; from the end of late tertiary to quaternary, the second hydrocarbon - generating and expulsing got to its peak, and the second reservoir - forming was over

    研究表明,本區石炭?二疊紀烴源巖在中生代發生一次生烴和排烴,並有油氣充注,后因山運動導致地層抬升,一次生烴和成藏過程中止;在早第三紀,原來東傾的地層變為西傾,斷塊圈閉開始具形;至早第三紀沙二末期,石炭?二疊系的大部分地層古地溫再次超過中生代一次生烴的溫度,開始二次生烴和排烴,圈閉持續發育;晚第三紀末?第四紀,二次生烴、排烴達到高峰,二次成藏完成。
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