常見(jiàn)例句nbsp; The train moved slowly south through flat, drab mainline scenery.火車(chē)穿過(guò)乾線(xiàn)兩側(cè)風(fēng)景單調(diào)乏味的地區(qū),緩緩地曏南駛?cè)ァ?/li>The train moved slowly south through flat, drab mainline scenery.火車(chē)穿過(guò)乾線(xiàn)兩側(cè)風(fēng)景單調(diào)乏味的地區(qū),緩緩地曏南駛?cè)ァ?/li>She pumped the stuff right into the mainline.她將麻醉劑直接注入手臂的主靜脈。 返回 mainlining