46 The possible cause of the “mad dog wave” is suggested to be related to the long wave induced by a pressure system. With its high propagating speed, the long wave amplitude is enlarged due to the shallow sea ______ when reaching the seashore.
(A)bottom
(B)foam
(C)current
(D)level

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統計： A(158), B(33), C(52), D(48), E(0) #1609596

瓜瓜

B1 · 2018/05/02

#2761763

sea bottom - 海床sea l...

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骨頭（四等一般警特正取）

B2 · 2020/05/31

#4019986

(B)foam翻譯：泡沫, 泡沫劑, 泡沫橡膠，海綿橡膠, 起泡沫。
(C)current翻譯：現時的，當前的；現行的, 流動, 水流；氣流；電流, 思潮, 思潮；潮流。