Donought
环形箱(电子回旋加速器用)
🗣️ 情景例句
Thank you, thank you!
谢谢 谢谢
Dexterity comes by experience.
熟练来自经验。
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。