Underclay

n. (煤层下的)底黏土层

🗣️ 情景例句

That's true.
正是如此。
I'm only joking.
我是开玩笑的。
A navy ship was in a port in Scotland for repairs.
一艘军舰停靠在苏格兰的一个码头等待维修。
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🔤 更多 U 开头的单词

ultrahigh frequency transmitter
umbelliferic acid
uncomplemented
undisclosed association
unicameral system
unity gain bandwidth
unprofitability
unwinnable
全部 U 开头单词 ›