1.tariff n.关税;价目表
Tariff barriers crimped the flow of imports.
关税障碍妨碍了进囗货的流入。
2.delicate a.微妙的;精美的;纤细的;脆弱的
The international situation is very delicate at present.
目前的国际形势极其微妙。
3.electron n.电子
Let us return to electron waves now.
现在我们再回到电子波上来。
4.revolution n.革命;变革;重大改变
Most countries have had revolutions aganist the government.
大多数国家发生过反对政府的革命。
5.panel n.嵌板;仪表盘;面板
The builders set the panel in carefully.
建筑工人把嵌板小心地镶上去。