by itself的用法和樣例：
例句
- If air is needed, the oxygen mask in the plane will pop down by itself.
如果空氣缺乏，飛機內的氧氣面罩會(huì )自動(dòng)放下。 - The house stood by itself on a hill.
這座房屋獨立在小山上。 - The machine will start by itself in a few seconds.
機器在幾秒鐘後會(huì )自動(dòng)開(kāi)啟。 - The statue stands by itself in the square.
廣場(chǎng)上孤零零地立著(zhù)這座雕像。
詞匯搭配
- in a class by itself 獨一無(wú)二(獨具一格)...
