2. Her dress had split along the seam. 她的连衣裙顺着接缝裂开了。
3. The average coal seam here is three feet thick. 这里的煤层平均为3英尺厚。
4. They were giant, sometimes 8 feet long , and many of them lived in the swampy pools in which our coal seam, or layer, or formed. 它们体型巨大,有时有8英尺长,其中许多生活在沼泽地里,我们的煤层就是在这里形成的。
5. They struck a rich seam of iron ore. 他们开出一个富铁矿层。