Ultralumin
超硬铝, 由尔特拉铝合金
🗣️ 情景例句
It's hard to say. I like volleyball a lot, but I guess I like tennis better.
很难说，我喜欢排球，但我想我比较喜欢网球。
Say not all that you know, believe not all that you hear.
莫道全所知，莫信全所闻。
To be honest with you，I'm twenty.
老实说，我20岁。