双语例句
直到这些基础学科得到充分发展，才有可能解决飞行力学的全部问题。（直到……才。
Not until these fundamental subjects were sufficiently advanced was it possible to solve the main problems of flight mechanics.
重点词汇
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直到
until; till; unto; up to; until such time as
中英释义：
直到…才
时间: 2026-01-17 19:46:41
not...until