v.共生；附著；增加
However, if a black hole passes through a cloud of interstellar matter, or is close to another "normal" star, the black hole can accrete matter into itself. 然而，當一個黑洞穿過一片星云，或者靠近另一個正常恒星時，黑洞將會使它自身的物質(zhì)增加。
