Canceller
n. 消除器, 补偿设备
✅ 同义词
🗣️ 情景例句
We're on the fifth floor.
我们在五楼。
Can I get a seat for today's 7:00 a.m. train?
我可以买到今天上午7点的火车座位吗？
However, as the evidence began to accumulate, experts from the Zoo felt obliged to investigate,
可是，随着证据越来越多，动物园的专家们感到有必要进行一番调查，