Pertechnetate
高锝酸盐
🗣️ 情景例句
It's the first thing people will see when they come in.
这是人们走进来所看到的第一 件东西。
Beauty is but skin deep.
美丽只是皮相（指：不能以貌取人）。
Debbie Hart is going to swim across the English Channel tomorrow.
黛比。哈特准备明天横渡英吉利海峡。