allel[医] 等位基因, 对偶基因alladj.所有的；全部的adv.完全；都；非常pron.一切；全部n.全部all electric typewriter全电气打字机All roads leads to Rome殊途同归All exits are barred.所有的出口都被关闭了。all-staff involvement全员参与all-relay telecontrol继电遥控all-or-nothing gate“全有或全无”门, 全有或全无门all trans retinoid acid全反式维甲酸All men are fallible.人皆有过。allelic complementation等位互补all-mask register bit全屏蔽寄存器位

1. All such books were bought for reference.
   所有这些书都是为参考而买的。
2. All such problems should be placed on our agenda.
   所有这类问题都应提到我们的议事日程上来。