expeditionary observations的用法和樣例：
例句
- There have been numerous publications that make observations or heap praises on Singapore penned by some of the visitors.
中國訪(fǎng)客回國后，所出版的對這座花園城市的考察著(zhù)作或贊美之辭，更是多不勝數。 - I was requested by the government to go to the scene fo action to take scientific observations.
我應政府的邀請，前往現場(chǎng)進(jìn)行科學(xué)考察。
