Sequestrant
n. [化](多价)螯合剂
🗣️ 情景例句
And the Kennedy Center for the Performing Arts in Washington.
还有位于华盛顿的甘迪表演艺术中心。
Hedges have eyes, and walls have ears.
篱笆有眼，隔墙有耳。
Ready? Go! Mr. Hu shouted, and the boys started to run.
“预备--跑！”胡先生喊道，男孩子们开始跑。