Grecc
abbr. Geriatric Research; Education; and Clinical Center (Seattle) 老年医学研究; GRIN rod external coupled cavity (laser) 缓变折射率棒状外耦合腔（激光器）
🗣️ 情景例句
I have an announcement to make.
我要宣布一件事。
Good. That's just what we want to hear.
很好，那正是我们想要听的。
Meanwhile, a number of university students have volunteered to drive buses while the strike lasts.
与此同时，有一部分大学生自愿在罢工期间驾驶公共汽车。