to defend the countryside
保卫农村
以上为机器翻译结果，长、整句建议使用 人工翻译 。
One began with China's efforts to help the North Vietnamese defend against the Americans, and the other with observing, modifying and improving the recipe of a countryside practitioner.
青蒿素工作源于中国帮助越南抵抗美国，三氧化二砷源于观察、验证和改进乡村中医的实践。
youdao
应用推荐
模块上移
模块下移
不移动