Twain
[ [twein] ]
第5级
其它 Other
n. 二, 两, 一对
✅ 同义词
🗣️ 情景例句
You go ahead with the formalities. I'll see to the heavy luggage.
您先去办手续，我来帮您照看大件行李。
What's your plan for the summer holiday?
暑假计划干什么？
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。