experiment
In spite of all obstacles and failures, the scientist persevered with his experiments.
儘管阻力重重
並屢遭
失敗這位
科學家還是堅持試驗。
Have they ever experimented on a large number of patients?
他們可曾在
大批病人身上
實驗過?
He is experimenting with a new chemical.
他正在
實驗一種
新的化學製品。
He is experimenting with drugs to cure hepatitis.
他正在試驗
治療肝炎的藥。
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