21.   They were making their third trip of the day between the two islands, taking their fish catches back to Maiana when they experienced trouble with their outboard engine.

22.   The craft was fitted with two outboard engines.

a. + engine >>共 686
new 8.27%
powerful 4.59%
economic 3.58%
main 2.89%
left 2.11%
right 2.11%
same 1.93%
blown 1.42%
small 1.42%
single 1.24%
outboard 1.01%
outboard + n. >>共 28
engine 42.31%
drive 3.85%
passenger 3.85%
power 3.85%
boat 1.92%
crash 1.92%
device 1.92%
dinghy 1.92%
effect 1.92%
end 1.92%
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