つまり、いくつかの銃は、暴発（例えば落とされた時）を防ぐために優れた安全機構を持っていますがそうでない銃も多いのです。

Sentence Analyzer

English Translation

In short some guns have excellent security systems to prevent accidental firing (e.g. when dropped), others don't.

Furigana

つまり、いくつかの銃(じゅう)は、暴発(ぼうはつ)（例(たと)えば落(お)とされた時(とき)）を防(ふせ)ぐために優(すぐ)れた安全(あんぜん)機構(きこう)を持(も)っていますがそうでない銃(じゅう)も多(おお)いのです。

Romanji

Tsumari, ikutsu ka no jū wa, bōhatsu tatoeba otosareta toki o fusegu tameni sugureta anzen kikō o motteimasu ga sō denai jū mo ōi no desu.

Words

詰まり (つまり)

that is to say; that is; in other words; I mean; in short; in brief; to sum up; ultimately; in the end; in the long run; when all is said and done; what it all comes down to; when you get right down to it; basically; clogging; obstruction; stuffing; (degree of) blockage; shrinkage; end; conclusion; dead end; corner; distress; being at the end of one's rope

幾つ (いくつ)

how many?; how old?

か (か)

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

銃 (じゅう)

gun; rifle; small arms

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

暴発 (ぼうはつ)

spontaneous discharge; accidental gun discharge

例えば (たとえば)

for example; e.g.

落とす (おとす)

to drop; to lose; to let fall; to shed (light); to cast (one's gaze); to pour in (liquid); to leave behind; to clean off (dirt, makeup, paint, etc.); to remove (e.g. stains or facial hair); to lose; to spend money at a certain place; to omit; to leave out; to secretly let escape; to lose (a match); to reject (an applicant); to fail (a course); to defeat (in an election); to lower (e.g. shoulders or voice); to lessen (e.g. production or body weight); to worsen (quality); to reduce (e.g. rank or popularity); to speak badly of; to make light of; to fall into straitened circumstances; to fall into (e.g. a dilemma or sin); to make one's own; to have one's bid accepted; to force surrender; to take (e.g. an enemy camp or castle); to forcefully convince; to press for a confession; to deal with; to download; to copy from a computer to another medium; to make someone swoon (judo); to finish a story (e.g. with the punch line); to finish (a period, e.g. of fasting)

時 (とき)

time; hour; moment; occasion; case; chance; opportunity; season; the times; the age; the day; tense

を (を)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

防ぐ (ふせぐ)

to defend (against); to protect; to prevent

為に (ために)

for; for the sake of; to one's advantage; in favor of; in favour of; on behalf of; because of; as a result of

優れる (すぐれる)

to surpass; to outstrip; to excel

安全 (あんぜん)

safety; security

機構 (きこう)

mechanism; organization; organisation

持つ (もつ)

to hold (in one's hand); to take; to carry; to possess; to have; to own; to maintain; to keep; to last; to be durable; to keep; to survive; to take charge of; to be in charge of

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

そう (そう)

so; really; seeming; appearing that; seeming that; looking like; having the appearance of

だ (だ)

be; is; indicates past or completed action; indicates light imperative

も (も)

too; also; in addition; as well; (not) either (in a negative sentence); both A and B; A as well as B; neither A nor B (in a negative sentence); even; as much as; as many as; as far as; as long as; no less than; no fewer than; even if; even though; although; in spite of; further; more; again; another; the other

多い (おおい)

many; numerous

です (です)

be; is