Perla
n. 珍珠
🗣️ 情景例句
What'll the weather be like tomorrow?
明天的天气怎么样？
If the ox falls,whet your knife.
牛一倒，快磨刀；人遭难，众人踩。
The degree of secrecy naturally varies considerably.
保密程度自然差别很大。