高等学校的首要目标是培养人才,教学是培养人才的主要途径。
The primary goal of a university is to train talents, and teaching is the main way to cultivate talents.
闯入地球的小行星一般被认为是白垩-第三纪灭绝,即恐龙遭受大灭绝的主要原因之一。 那次毁灭性事件灭绝了地球上超过一半的物种,为哺乳动物成为地球上的首要物种扫清了道路。
The extinction was caused by a massive asteroid slamming into Earth at Chicxulub in Mexico.
清洁能源是世行工作的一项主要重点内容,而且很可能是今后10 - 15年中世行的一项首要重点内容。
It's a major focus of the Bank's work, and it might well be the principal focus of the Bank 10 or 15 years from now.
Starvation was a major threat on the left but not on the right, and the top priority on the left was to bank energy.
饥荒是左边主要的威胁,但不是右边的,左边的首要任务就是储存粮食
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