1. The strawberries should be stemmed before they are tinned. װ��֮ǰ����Щ��ݮ��ȥ��������
2. What are the prospects of stem cell therapy for neurology? ��ϸ����������ѧ��ǰ����ʲô��
3. What if engineers find ways to grow organs from stem cells. �������ʦ�������ø�ϸ���������ٵķ�����
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n.
1. (linguistics) the form of a word after all affixes are removed
2. a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
3. cylinder forming a long narrow part of something
4. the tube of a tobacco pipe
5. front part of a vessel or aircraft
6. a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel t v.
1. grow out of, have roots in, originate in
2. cause to point inward
3. stop the flow of a liquid
4. remove the stem from