Isu
abbr. 整体式瞄准镜装置（Itegrated Sight-Unit）；国际滑冰联盟（International Skating Union）
🗣️ 情景例句
I'll pick you up.
我去接你。
A wonder lasts but nine days.
新鲜事儿不久长。
With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。