Undertones
n. 低调( undertone的复数形式 ); 低声地; 淡色; 潜在的感情
🗣️ 情景例句
Yeah.
是的。
How many pieces are you going to take?
你要拿几支？
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，