n. 波浪,波动;挥手;涌现的人(或事物);汹涌的行动(或思想)态势;
vi. 摇摆,起伏;
vt.& vi. (一端固定地)飘扬;挥手指引;挥动…示意;略呈波形;
vt. 挥手表示;挥舞;使…略呈波形;烫(发);
🗣️ 情景例句
You're welcome.
不客气。
He is distinguished as an economist.
他是一名著名的经济学家。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.