Jec
abbr. Joint Economic Committee （美国国会）联合经济委员会
🗣️ 情景例句
Did you know that the Empire State Building is short, when compared with many of the skyscrapers today?
你知道吗？帝国大厦如果和召集的许多摩天大厦相比其实并不高。
Has he studied French very long?
他学习法语很长时间吗？
Let me know when you are ready to order again.
那么需要再订货时，请与我联系。