num. ten;
例句:
Allow an extra 10-15 min if you prefer lamb well done.
如果想让羊羔肉完全熟透还需要再煮10到15分钟。
A 10 to 15 percent deviation is considered acceptable.
10%至15%的离差是可以接受的。
13 soldiers were killed and 10 wounded in action.
战斗中有13名士兵阵亡,10名士兵受伤。