His giant face had a roughgrowth of stubble, his eyes looked dully ahead.
他宽大的脸庞上长着粗硬的胡子茬，眼睛黯然无神地看着前方。
《柯林斯英汉双解大词典》
2
The rough, dimply surfaces of Mentos encourage bubble growth because they efficiently disrupt the polar attractions between water molecules, creating bubble growth sites.
粗糙的有纹路的曼妥斯促使泡泡增长，因为他们有效地中断水分子之间的极吸引力，使泡泡数量变多了。
3
So, despite a rough start from the financial crisis (which will still slow global growth this year and next), there is no reason why the new decade has to be an economic flop.