Small rounded hills; low natural mounds

• Submerged rounded hills that do not reach the surface

小而圆的山丘；低矮的土丘

• 不露出水面的圆形海底丘

Rings a bell in a mournful way; knells

• Sounds something like a bell
• Summons by bell knell, especially to church

以哀伤方式敲钟；鸣丧

• 使某物发出钟般的声音
• 以钟声召集，尤指召唤去教堂