vanguard
英 ['vængɑːd]
美 ['vænɡɑrd]
先鋒盾
n. 前鋒科學衛星
中文詞源：
vanguard 先鋒，先驅
來自法語avant-garde,先鋒，先頭部隊，avant,前面，為advance原型，garde,護衛，詞源同guard.
例句：
1. The company is proud to be in the vanguard of scientific progress.
2. They are in the vanguard of technological advance.
他們是技術發展的先導.
3. In a way they played a vanguard role.
在某種意義上說,他們起瞭先鋒的作用.
4. The vanguard units started off last night.
部隊前鋒昨晚已經出發.
5. Sir James was an immensely distinguished architect in the vanguard of his profession.
詹姆斯爵士是一位非常傑出的建築師，處於其專業領域的前沿位置。
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