Beat receiver
[电] 差频接收机
🧩 词语组成解析
beat
[bit]
vi. （心脏等）跳动;搜索;（风、雨等）吹打;（鼓）咚咚地响;
vt.& vi. 接连地击打;
vt. 打败;敲打;控制;避免;
n. 节拍;（鼓的）一击;管区;
adj. [美国口语]大吃一惊的;[常作 B-]“反传统一代”成员的;摇滚音乐的;[口语]（体力或情绪上）疲劳不堪的;
🗣️ 情景例句
Politics are a sensitive subject of conversation.
政治是交谈的敏感话题。
So long.
再见
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。