Jackladder
n. 木踏板绳梯, 跳板
🗣️ 情景例句
Spring is the season for romance.
春天是浪漫的季节。
You can never tell.
不知道。
Oxygen is widely used in ship repairs for cutting and joining metal plates or pipes.
在船舶修理过程中，常常使用氧气切割和焊接金属板或金属管。