Essential parameter
[化] 基本参数
🧩 词语组成解析
🗣️ 情景例句
I understand, Harry.
我了解， Harry。
There was a big crowd and we had difficulty getting a taxi.
外面有一大群人并我们有很困难招一辆出租车。
The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin.
手术持续了4个多小时，非常难做，因为皮肤上覆盖着一层硬硬的树脂。