pioneer的词性
词性: 名词，动词。 n. 先锋；拓荒者 vt. 开辟；倡导；提倡 vi. 作先驱 Yuan Longping is a pioneer in the field of hybrid rice. 袁隆平是杂交水稻领域的先驱者。 HUAWEI pioneers the use of the 5th generation mobile networks. 华为率先使用第五代移动通信技术。 There is no written record of the pioneers in this...