1. The scientists conducted an experimental study to test their hypothesis.
科學(xué)家們進(jìn)行了一項(xiàng)實(shí)驗(yàn)性研究來(lái)測(cè)試他們的假設(shè)。
2. This new drug is still in the experimental phase and requires further testing.
這種新藥還處于實(shí)驗(yàn)階段,需要進(jìn)一步的測(cè)試。