communicate的宾语是coughing codes,即 communicate coughing codes to friends,注意与 communicate with不同，后者指“与…联系，沟 通”， e.8. We communicate with each other by letter (telephone/email). 我们通过书信（电话电邮)相互联系。 communicate的宾语是coughing codes, 即 communicate coughing codes to friends，注意与 communicate with不同，后者指 “与······联系，沟 通”, e.g. We communicate with each other by letter (telephone/email). 我们通过书信（电话/电邮）相互联系