Obser
abbr. observant 严格遵守…的
🗣️ 情景例句
and photograph street performances in the city,
拍摄城市 的街头表演，
Poverty is no sin.
贫穷不是罪恶。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，