A few twentieths of a gram can be critical.

　　即使重量僅有1克的二十分之幾都可能是關鍵性的。

　　There are five hundred gram ( me) s of sugar in the box.

　　盒子里有500克糖。

　　There was a small patch of blue in the grey clouds.

　　灰色的云團中透出一小片藍天。

　　I think grey hair makes you look very distinguished.

　　我認為灰白的頭發(fā)使你看上去很有尊嚴。

　　The city and the Commonwealth have lost a great leader.

　　這座城市和這個州失去了一位偉大的領袖。

　　Their contribution was of great worth.

　　他們的貢獻具有偉大的意義。