Graser
n. [物]γ射线激光器
🗣️ 情景例句
At home I like reading books and listening to music.
我喜欢在家里看书或听音乐。
The buyer has the option of cancelling the contract.
买主有权撤消合同。
Our manufacturing costs have gone up too much.
我们的制造成本增加太多了。