critical cold point的用法和樣例：
例句
- It was in this choice retreat that Mr. Quilp ordered a cold collation to be prepared.
奎爾普先生就是在這個(gè)精美的別墅里預定冷點(diǎn)的。 - For seeding a cold spot has been provided on one of the cooling pipes allowing nucleated freezing to be initiated.
在冷卻管線(xiàn)的一邊有一個(gè)冷點(diǎn)，容許晶核冷凍開(kāi)始。
