n. (物体的)飞行;航班;飞翔;楼梯的一段;
vi. 成群地迁徙或飞行;
vt. 射击;使惊飞;
💡 fly(飞行)+t(表示抽象名词的后缀)→飞行;飞翔
"They are following the flight of an aircraft by radar."
他们正在用雷达追踪一架飞机的飞行.
近义:connection, connexion, soaring, run, scurry, scuttle
adj. 光滑的;流畅的;柔软的;温和的,安详的;
vt. 使平滑;排除,消除;安抚,平息;使优雅;
vi. 变平和,变缓和;
n. 平地,平面;
💡 是(s)没(m)牙齿(tooth)很 光滑
"Blend the flour with the milk to make a smooth paste."
把面粉和牛奶调成均匀的面糊。
近义:plane, planish, sandpaper, sleek, surface, unwrinkle
反义:rough, irregular, lopsided, askew, asymmetric, asymmetrical