Laitier
浮渣
🗣️ 情景例句
She can't sit around and do nothing.
她总不能闲坐着无所事事呀。
Every why has a wherefore.
事出有因。
He did a lot of research and travelled around the USA looking for information about his ancestors.
他做了大量的研究，在美国跑了许多地方，了解有关祖先的情况。