a central part of something from which other parts can develop or grow, or which forms a support主干

the stick-like central part of a plant that grows above the ground and from which leaves and flowers grow, or a smaller thin part that grows from the central part and supports the leaves and flowers（植物的）干，茎，梗，柄

the thin vertical part of a glass or similar container that joins the part that holds liquid to the flat bottom part on which it stands（高脚杯的）柄脚

the part of a word that is left after you take off the ending词干

US UK winder the small part on the side of a watch that you turn to move the hands (= parts that point to the numbers), or to make the watch operate（手表的）发条转柄，拨针柄

the main supporting structure at the front of a ship（船）艏，艏柱

to stop something unwanted from spreading or increasing阻挡；阻止；遏制

to stop the flow of a liquid such as blood堵住，止住（出血等）