Hexaborane
[化] 六硼烷
🗣️ 情景例句
What currency do they use in U.S.A.?
在美国人们用什么货币？
They've promised to keep both we quality and the quantity of the 300 bicycles in conformity with the contract stipulations.
他们已承诺那300辆自行车的质量和数量一定与合同规定相吻合。
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。