Keramzite
素燒粘土填料, 有孔粘土, 陶結塊
??? 情景例句
You can sing a lot more clearly than I can.
你能比我唱得更清晰。
Take time when time comes lest time steal away.
機不可失，時不再來。
He is looking for a job.
他正在找工作。