1. Drinking is a principal cause of traffic accidents.
酗酒是交通事故的主要原因。
-- 来源 -- 英汉 - 辞典例句
2. "I spoke profit as our principal objective," Roscoe Heyward was continuing.
“刚才说过，利润乃吾人的主要目标，”罗斯科?海沃德自顾往下说。
-- 来源 -- 英汉 - 辞典例句
3. The principal directions corresponding to two distinct principal strains are orthogonal.
和两个不同的主胁变相对应的主方向是互相正交的。
-- 来源 -- 英汉 - 辞典例句
4. I must consult my principal.
我必须同委托人商量。
-- 来源 -- 英汉 - 辞典例句
5. I have to consult my principal.
我必须和我的委托人商量。
-- 来源 -- 英汉 - 辞典例句
6. Bear in mind that the chief ray is now principal ray.
记住，此时主光线就是主点光线。
-- 来源 -- 英汉 - 辞典例句
7. Indentation methods of hardness testing comprise two principal groups.
压痕法测定硬度包括两大类。
-- 来源 -- 英汉 - 辞典例句
8. The Fellows elect the head of the college, whose title varies from college to college; Balliol College has a Master, Magdalen a President, Exeter a Rector, Oriel a Provost, Jesus a Principal.
