1.Bio-engineering professor Jordan Miller explained why the breakthrough was so important.
breakthrough突破
The company looks poised to make a significant breakthrough in China.
這家公司看來很有把握在中國取得重大突破 。
2.Tissue engineering has struggled with this for a generation.
struggle with 與...斗爭
He is currently locked in a power struggle with his Prime Minister.
他目前陷入了一場同總理的權(quán)力之爭當(dāng)中 。