19考研英語：屠屠長難句（七十六）

01 每日長難句
Clever though this is, it is just a stepping stone towards the direct incorporation of fuel cells into portable devices and, in particular, laptops—the application that remains the industry’s Holy Grail.

02結構分析】
本句句首是though構成的部分倒裝，還原後應爲though this is clever。主句爲it is just a stepping stone，towards引導短語結構 the direct incorporation of fuel cells into portable devices and… laptops修飾前面的a stepping stone。破折號後面的the application是同位語作用， that remains the industry’s Holy Grail是定語從句。

03【詞彙】
a stepping stone 墊腳石

incorporation 合併，整合

portable 可攜帶的，可搬運的

laptop 筆記本電腦

04【參考譯文】
雖然這很聰明，但它只能算是通往直接將燃料電池與便攜設備——特別是筆記本電腦——整合的道路上的墊腳石，這一技術運用現在仍是工業界的聖盃。

05【明日長難句】
The engines would have variable nozzles, which would be fully opened on take-off and landing, so that the exhaust would be slow and relatively quiet, and narrowed when the aircraft was cruising, providing the necessary speed.  

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