贯穿的

Sputum is matter that is coughed up from the respiratory tract, such as mucus or phlegm, mixed with saliva and then expectorated from the mouth.

痰是一种物质，是从呼吸道咳出的，有粘液或粘痰，和口水混合，然后从口咳出。

General Motors, which has quietly been seeking a buyer for its medium-duty truck line, says it will cease production of the Chevrolet Kodiak and GMC Topkick at the end of July.

通用汽车公司，这已经悄悄地在寻求一个合适的买家来的中型卡车线，表示将停止生产的雪佛兰和GMC Topkick科迪亚克在7月底。