1. Campaigners have long called for Juneteenth, a day commemorating the end of slavery, to be designated a national holiday.

call for 要求;呼吁

They angrily called for Robinson's resignation.

他们愤怒地要求鲁宾逊辞职]h.Y&RI-kga4^。

2. President Joe Biden is expected to sign the Juneteenth National Independence Day Act into law at 3.30 p.m. ET on Thursday.

sign into law 签署成为法律

The House and Senate versions will need to be combined into final legislation for President Obama to sign into law.

参众两院的议案将综合成最终规定，交与总统奥巴马签署，纳入法规LBl@M&;T]8*62[V~f。