There are some disadvantages which include the rel

There are some disadvantages which include the relatively extensive surgical needed which has a steep learning curve and possibility of risk of perforation of Schneiderian membrane, longer recovery time, and added cost.

一方、デメリットとしては、手術が大掛かりになるため、習得が難しく、Schneiderian membraneの穿孔の危険性があること、回復に時間がかかること、費用がかかることなどが挙げられます。

deep L

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC805 …


英文法について

1個目のwhichは前のdisadvantagesにかかりますよね

2個目のwhichはどのような働きですか？


またneededは名詞ですか？それとも過去分詞ですか？

No.2 ベストアンサー 回答者： TheOEDLovesMeNot3 回答日時： 2023/01/16 19:44

その直前にある文も、書き換えてみます。

(1) 原文：
It is the generally accepted method with advantages of wide exposure of sinus hence good accessibility, significant elevation of the sinus floor, and increase in sufficient subantral bone volume.

(2) 書き換え後：
Advantages of this generally accepted method include wide sinus exposure, resulting in good accessibility, a significantly elevated sinus floor, and a higher subantral bone volume.

No.1 回答者： TheOEDLovesMeNot3 回答日時： 2023/01/16 19:36

著者はインド人で、英語は日本人の 1,000 倍くらい上手ですが、それでも英語ネイティブに比べると下手なようです。

特に冠詞の使い方が変です。この文を、大々的に書き換えました。

(1) 原文：
There are some disadvantages which include the relatively extensive surgical needed which has a steep learning curve and possibility of risk of perforation of Schneiderian membrane, longer recovery time, and added cost.

(2) 書き換え後：
Among its disadvantages are a relatively extensive surgical need with a steep learning curve and a possible risk of Schneiderian membrane perforation, a longer recovery time, and added cost.