Sigmic
a. ∑粒子的, 含∑粒子的
🗣️ 情景例句
Do these match?
这些相互搭配吗？
A little wind kindles, much puts out the fire.
适可而止，过犹不及。
a flight attendant told us to keep calm and to get off the plane quietly as soon as it had touched down.
一位空中乘务员告诉我们要保持镇静，待飞机一着陆，就马上不声不响地离开飞机。