Poly(vinyl chloride)
[化] 聚氯乙烯
🗣️ 情景例句
You estimate his worth too highly.
你高估了他的价值。
Gordon was not upset by his failure.
哥顿对他的失误既不惊讶也不生气。
It then sends these signals down an ordinary telephone line to another fax machine, which changes the signals back into the shapes of letters.
然后把这些符号通过一条普通的电话线送到另一台传真机上，传真机又把符号变为字母形状。