n. 卷轴;卷盘;卷筒;绕在卷轴上的线(或金属丝、胶卷等);
vt. 卷;绕;
vi. 蹒跚,摇晃;来回旋转;眩晕;
🗣️ 情景例句
He has an old head on young shoulders.
他年轻又有见识。
How much does she need?
她需要多少?
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.