名詞 stem:

1. (linguistics) the form of a word after all affixes are removed
   同義詞：root, root word, base, theme, radical
2. a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
   同義詞：stalk
3. cylinder forming a long narrow part of something
   同義詞：shank
4. the tube of a tobacco pipe
5. front part of a vessel or aircraft
   同義詞：bow, fore, prow
6. a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it
   同義詞：stem turn

動詞 stem:

1. grow out of, have roots in, originate in
2. cause to point inward
3. stop the flow of a liquid
   同義詞：stanch, staunch, halt
4. remove the stem from

1. She sat twirling the stem of the glass in her fingers.
   她坐在那里用手指捻著玻璃杯的杯頸。
2. A slight curving or circular movement in a stem, as of a twining plant, caused by irregular growth rates of different parts.
   轉(zhuǎn)頭運動植物莖的輕微彎曲或扭轉(zhuǎn)的生長，象雙生樹那樣，由不同部分的不規(guī)則生長速度引起
3. She bought some roses with long stems.
   她買了一些枝干很長的玫瑰花。
4. Our ship stemmed on against the current.
   我們的船逆流而上。