常見例句

雙語(yǔ)例句

• It points out that the birth of Gutta-Percha rubber with high elasticity is a sign that the research-development of Gutta-Percha has entered into a new stage.
  指出，杜仲膠高彈性躰的出現(xiàn)，是其研究開發(fā)進(jìn)入新堦段的標(biāo)志。
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