Grainal
钒钛铝铁合金(炼钢时加入, 用以改善钢的淬透性和韧性)
🗣️ 情景例句
You were right, Grandpa.
给你说对了 ，爷爷。
We can spend hours talking about computers.
我们可以花些时间一起聊聊电脑。
'And how can you explain that?' she asked.
“那么你对那又作何解释呢？”她问。