Tetrahalide
四卤化物
🗣️ 情景例句
This is my friend Harry Bennett.
这是我的朋友Harry Bennett。
Don't trust him, he's lying.
别相信他，他在乱盖。
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。