Nmah
abbr. National Museum of American History 美国国家历史博物馆（华盛顿区）
🗣️ 情景例句
I estimate his age to be about 30.
我估计他的年龄大约30岁。
True friendship is a plant of slow growth.
真正的友谊像是生长缓慢的植物。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。