Annulation
n. 环\\n[化] 增环反应; 成环; 成环反应
✅ 同义词
🗣️ 情景例句
Is it that serious a problem, Grandpa?
这个问题有那么重要吗，爷爷？
Two heads are better than one.
集思广益。
A temporary rudder was made on board from spare planks and it was fitted with great difficulty.
船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，