a sea of的用法和樣例：
例句
- The actor looked out form the stage onto a sea of faces.
演員從舞台上往下看，只見一片人山人海。 - He looked wretched, as if he were overwhelmed by a sea of troubles.
他看來很苦惱，像是給重重困難壓壞了似的。 - Life is, at best, a sea of trouble.
人生，再好也不過是汪洋苦海罷了。 - I stood amid a sea of corn.
我站在茫茫一片莊稼之中。
辭彙搭配
- a red sea of blood 血海
- a red sea of wine 酒海,紅色海洋...
- a sea of troubles 困難重重
