Helium tube
[电] 氦管
🧩 词语组成解析
helium
['hi:ljəm, -liəm]
n. <化>氦;
🗣️ 情景例句
We have already conceded, it's in your hands now.
我已经做出让步，现在决定权在你手中。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
After they carved the characters on rocks, they put a piece of wet paper on top of the characters and beat it lightly.
他们把字刻在石块上后，再把一张潮湿的纸放在字的上面，并轻轻地拍打。