常見例句雙語例句During Middle Triassic, the Gejiu area was in a special sedimental environment, i. e. in a restricted marginal sea basin within the continental rift system.中三疊世,個舊礦區(qū)處于特殊的沉積環(huán)境—陸裂谷系中的局限邊緣海盆。 返回 continental marginal rift