Phylacteries
n. 护符；经匣；令人联想的事物
🗣️ 情景例句
will read a poem by Robert Frost.
要朗读Robert Frost作的一首诗。
How often did I tell you not to yell in the house?
我告诉你多少次不要在房子里大叫?
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，