Farvitron
线振质谱计
🗣️ 情景例句
I'm lucky to have you all.
我真的觉得拥有你们很幸运。
Why didn't you try again?
为什么你不再试一次？
He was the man who climbed the Leaning Tower of Pisa and dropped various weights from the top,
他就是那个曾经爬上比萨斜塔，从塔顶向下抛掷各种重物的人；