Toilings
(toiling 的复数) v. 长时间或辛苦地工作( toil的现在分词 ); 艰难缓慢地移动, 跋涉
🗣️ 情景例句
Get a load of this.
你听听这个。
The lumberjack sweats as he cuts down a tree.
伐木工人边砍树边擦汗。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。