Osc
[电] 振荡
🗣️ 情景例句
It's great. Although the economy is pretty slow as usual, it's picking up.
很好。虽然经济发展照常地缓慢，不过已开始回升。
You can use quarters, dimes and nickels.
你可以使用2角5分、1角和5分三种硬币。
It's four o'clock.
四点了。