Methylarsacetin
[化] 甲基醋氨苯胂
??? 情景例句
To have a friend -- a pal.
想要一個朋友 一個伙伴。
What position do you play?
你踢什么位置？
A few days later about 140 black people were taken and put on a tall sailing ship waiting off the coast.
幾天以后，大約140名黑人被帶到一艘?？吭诤０哆叺拇蠓?。