Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that expand over time and let in more outside air.

1939年以前建造的房屋每平方英尺消耗的能源比2000年以后建造的房屋多50%，这主要是由于微小的裂缝随着时间的推移而扩大，更多的外部空气进入了裂缝。

youdao

There was a lowering sky overhead, sloppy ground under foot, and a winter chill in the air.

头顶上是低沉的天空，脚下是泥泞的地面，空气中弥漫着冬日的寒意。

youdao

Hook stood shuddering, one foot in the air.

胡克站在那里，一只脚举在空中，浑身发抖。

youdao

Now I didn't use--no hands-- that was just the notes that are naturally on the twelve and a half-foot length of vibrating air.

我没有用手控制,都是十二个半英尺高的震动空气柱,自然产生的音符

耶鲁公开课 - 聆听音乐课程节选

An additional restriction is that vessels must have less than a 190-foot air draft.

FORBES: The Port of New York and New Jersey, a Critical Hub of Global Commerce

The original hangar is now used for maintenance, superseded by a new air-conditioned 22, 000-square-foot display hangar.

FORBES: Wingman

The place in question is a newer construction, 9, 000-square-foot home in the exclusive, gated Bel-Air neighborhood known as Bel-Air Crest.

FORBES: Kanye West And Kim Kardashian Buy A Bel-Air Place For Upcoming Baby