Pertechnetate
高锝酸盐
🗣️ 情景例句
About September to October.
大概是9月到10月。
Working in the theater has always been attractive to her.
对于在剧场工作，她常感到机具吸引力。
'I might as well have them,' I said sadly.
“我还是买下的好，”我垂头丧气地说。