用传统造孔剂燃烧工艺(BURPS)法,以碳化淀粉造粒后为造孔剂,制备了不同孔率的锆钛酸铅(PZT)陶瓷,研究了孔隙率随造孔剂量变化规律,并对其介电性能和压电性能与孔...
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V-I When someone burps, they make a noise because air from their stomach has been forced up through their throat. 打嗝
Charlie burped loudly.
查理打了一个响嗝。
N-COUNT Burp is also a noun. 打嗝声
There followed a barely audible burp.
之后有一声很轻的饱嗝。
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