?? 詞語組成解析
class
[kl?s]
n. 班;等級;階級;種類;
vt. 把…歸入某等級，把…看作（或分類、歸類）;把…編入某一班級;
adj. 很好的，優(yōu)秀的，出色的;
vi. 屬于…類（或等級），被列為某類（或某級）;
蘇鐵綱
??? 情景例句
It looks fine to me. But I have one suggestion.
我看寫得不錯，但有我個建議。
I want to buy some traveller's checks.
我想買些旅行支票。
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我們不必像開采其他礦藏那樣，把人送到地下去把石油取出。