The canoe is made from an impermeable wood.独木舟由防水木头制成。The external layer of the skin is relatively impermeable to water.皮肤的外层不透水.Thus clays and shales tend to be impermeable.因此粘土和页岩就往往不透水....
她将零头布凑成整块.She pieced together odds and ends of cloth.广告价格是168美元, 但是店主减去了零头.The advertised price was 168 dollars, but the shopkeeper knocked off the odd shillings.布大部分用完了, 只剩下一些零头.We have used up most of the cloth , and a...