Underdrain

n. 阴沟, 地下沟道, 盲沟, 暗渠

🗣️ 情景例句

You don't need to do that.
你不用那么做的。
I've realized that we should stop the pollution.
我明白必须阻止公害的原因了。
John's day.
约翰的一天。
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🔤 更多 U 开头的单词

ufological
unaffectionate
under the aegis of
underwhelmed
uniform affine deformation
unnilpentium
unreproducibly
unwreathe
全部 U 开头单词 ›