Lagged piping
[化] 已保温的管道
🧩 词语组成解析
v. 走得极慢, 落后( lag的过去式和过去分词 ); 给（管道等）加防冻保暖层
piping
['paipiŋ]
n. （某种或某长度的）管道;笛声;（食品上装饰用的）奶油花饰;（衣服、椅罩等的）滚边;
adj. 尖声的;高声的;平静的;平和的;
🗣️ 情景例句
So now I'm taking a flight on Monday instead.
所以我现在要改搭星期一的班机走。
What's the round-trip fare?
来回票价多少？
When several elephants are being trained at one time,
几只象同时训练时，