Abjectness
n. 悲惨（卑鄙；无耻）
✅ 同义词
🔴 反义词
🗣️ 情景例句
You'll be husband and wife.
你们就成为夫妻了。
Steel ball
钢珠
This echo-location in bats is often compared with radar, the principle of which is similar.
蝙蝠这种回声定位常常可与雷达相比较，其原理是相似的。