Polyacoustic
[医] 扩音的
🗣️ 情景例句
Aren't you going to the aerobics class this morning?
今天上午你不是去上有氧运动课吗？
The window-washer has a dangerous job.
玻璃清洁工担负着危险的工作。
'At ten to eight.I bought a paper and waited for the train.'
“7点50分。我买了张报纸，等着车来。”