make a contribution to什么意思

to make a contribution to charity给慈善事业捐款We must make a contribution to protecting the environment.我们必须为保护环境作出贡献.We should make a contribution to keeping our school clean and tidy.我们应当为保护校园整洁、卫生做贡献....

make a contribution to的音标：make a contribution to的英式发音音标为：[meik ə ˌkɔntri'bju:ʃən tu:]make a contribution to的美式发音音标为：[mek e ˌkɑntrɪ'bjuʃən tu]...