Annularity
n. 环状, 轮状
🗣️ 情景例句
Maybe I can help. Tell me what it is, Susan.
也许我能帮忙。说给我听听 ，Susan。
I phoned him last Saturday.
我上个星期六打电话给他。
We reached London this afternoon.
我们是今天下午到达伦敦的。