?? 詞語組成解析
n. [植] 莧屬；莧屬植物；雁來紅
??? 情景例句
No, I'm not very good at it.
不 ，我網球不行。
There's no sense in going by boat when the plane is just as cheap and much quicker.
既然乘飛機和坐船一樣便宜而且還快得多，那么就沒有理由去坐船。
How long can you hold your breath underwater?
你在水里屏住氣不呼吸能呆多久？