Concretions
(concretion 的复数) n. 凝固, 凝固物, 结石\\n[医] 凝结物, 结石; 粘连; 凝结(作用)
🗣️ 情景例句
and I have a production meeting at four.
我四点钟有个生产会议。
Is there any discount for the USA Railpass?
火车通行证有折扣吗？
He speaks some Chinese, but not much.
他讲点汉语，但是不多。