Indefectible
a. 不败的, 无瑕的
✅ 同义词
🗣️ 情景例句
I'm really excited about seeing Grandpa.
一想到要见到爷爷， 我就觉得兴奋。
Mutual understanding.
心照不宣。
This is a pity, because noise abatement really is a good cause.and it is likely to be discredited if it gets to be associated with bad science.
要求减少噪音确实是件好事，但是如果与拙劣的科学掺杂在一起的话，就不会被人们所信任，这是很遗憾的。