Spads
(spad 的复数) 矿山井下测量用钉
🗣️ 情景例句
It's only a suggestion, and you can do what you please.
这只是个建议，你可按照你的意愿去做。
When did you take the examination?
你什么时候去参加考试？
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。