心臟?heart
?center
一個(gè)人有動(dòng)脈、靜脈，通過(guò)～進(jìn)行血液循環(huán)。A man has arteries and veins through which the heart circulates blood./北京是祖國(guó)的～。Beijing is the center (or heart)of our motherland./～地帶heartland /～肥大cardiomegalia/～畸形heart malformation/～起搏器(cardiac)pacemaker/～停止跳動(dòng)the heart stops beating; cardiac arrest /～移植 heart transplant |