adder
US /ˈæd.ɚ/
UK /ˈæd.ɚ/
1.
蝰蛇, 毒蛇
a small venomous Eurasian snake that has a dark zigzag pattern on its back and is the only poisonous snake in Great Britain
:
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Be careful when walking in the tall grass; there might be an adder.
在草叢中行走時要小心；可能有一條蝰蛇。
•
The naturalist identified the snake as a common adder.
博物學家將這條蛇鑑定為一條普通的蝰蛇。
2.
加法器, 加數器
a person or thing that adds something, especially a machine that adds numbers
:
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The old calculator was a simple adder, only capable of basic arithmetic.
那台舊計算器只是一個簡單的加法器，只能進行基本算術。
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In digital circuits, an adder is a circuit that performs addition of numbers.
在數位電路中，加法器是執行數字加法運算的電路。